D&D Hardware

Technical Features And Advantages

Engineered for durability, security, and consistent performance across residential and commercial applications.

Main Products

Flexible options available for wholesale, project supply, and OEM/ODM requirements.

Mortise Entry Lock Set
Mortise Entry Lock Set

Latch bolt operated by lever from either side axcept when outside lever is locked from outside by key. When outside lever is locked, latch bolt retracted by key, or by operating key and outside lever fromoutside or byoperatinginside lever. Auxiliary dead latch. Mortise Entry Lock Set DDAL04 F04 delivers high-security performance for office entry doors requiring ANSI Grade 1 reliability. Engineered with a full stainless steel structure, this lock set ensures consistent durability under high-frequency commercial use. The integrated auxiliary dead latch enhances protection against forced entry, meeting strict safety expectations in commercial environments. With UL fire-rated certification, the lock maintains structural integrity under fire conditions, making it suitable for projects where compliance and safety are critical. Precision machining and standardized dimensions allow easy integration into American standard door systems, supporting both left-hand and right-hand installations. From daily office access control to high-traffic commercial buildings, this mortise entry lock set ensures reliable performance, consistent quality, and long-term stability required by professional door hardware applications.

Product ModelDDAL04 F04
ApplicationWood Door, Metal Door, Fire Rated Door, etc.
Certification and ComplianceANSI/BHMA A156.13-2005 Grade 1, UL Fire Rated Certificated
FinishSSS, PSS, PVD, PB, AB, AC, MB
LockcaseHeavy Gauge Stainless Steel for Corrosion Resistance
DeadboltSolid Casting SUS304, Project 1"(25.4mm)
LatchboltSolid Casting SUS304, Project 3/4"(19mm), Anti-Friction Two Pieces and Can be Reversible
Auxiliary LatchboltStainless steel
ForendStainless steel Grade 304
StrikeStainless steel Grade 304, Non-Handed
Door Thickness45mm to 55mm As Standard
Backset2-3/4" (70mm)
Center to Center3-5/8"(92mm)
Door HandingLeft Hand and Right Hand
MOQ200PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Brass Mortise Cylinder
Brass Mortise Cylinder

Brass Mortise Cylinder DDLC011 follows ANSI mortise cylinder standards and is widely applied in door hardware systems where consistent security and key management flexibility are required. The solid brass body combined with an SSS-covered head provides strong structural stability and reliable performance under frequent use in both residential and commercial settings. This cylinder supports 5-pin and 6-pin configurations, including the SCHLAGE “C” keyway option, ensuring compatibility with a wide range of lock systems such as mortise locks and door hardware assemblies. Suitable for wooden doors, metal doors, interior doors, exterior doors, and swing doors, this mortise cylinder offers a dependable solution for large-scale projects, bulk procurement, and customized security configurations.

Product ModelDDLC011
StandardANSI Mortise Cylinder Standard
MaterialSolid Brass Body, Head with SSS Cover
Pins5 pins, 6 pins available
FinishSatin nickle, Antique Brass, Antique Copper, Polish Brass, Chrome Plate, Physical Vapor Deposition, Matte Black
Suitable forWooden door, Metal door, Interior door, outer door, swing door
MOQ500PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Commercial Mortise Lock
Commercial Mortise Lock

Latch bolt operated by lever from either side except when outside lever is locked from outside by key. When outside lever is locked, latch bolt retracted by key, or by operating key and outside lever from outside or by operating inside lever. Auxiliary dead latch. The Commercial Mortise Lock delivers a high level of security and durability for demanding door applications where safety, compliance, and long-term performance are essential. Engineered to meet ANSI/BHMA A156.13-2005 Grade 1 standards and certified with UL fire rating, this lockset supports reliable operation in commercial environments such as office buildings, public facilities, and large-scale projects. The internal lockcase uses heavy gauge stainless steel to ensure strong resistance against corrosion and repeated use, maintaining stable functionality over time. With compatibility for both left-hand and right-hand doors and a standard fit for door thickness ranging from 45mm to 55mm, this lockset supports flexible installation across various commercial door systems. Precision manufacturing ensures accurate alignment, reducing installation errors and improving overall efficiency in project deployment.

Product ModelDDAL05 F05
ApplicationWood Door, Metal Door, Fire Rated Door, etc.
Certification and ComplianceANSI/BHMA A156.13-2005 Grade 1, UL Fire Rated Certificated
FinishSSS, PSS, PVD, PB, AB, AC, MB
LockcaseHeavy Gauge Stainless Steel for Corrosion Resistance
DeadboltSolid Casting SUS304, Project 1"(25.4mm)
LatchboltSolid Casting SUS304, Project 3/4"(19mm), Anti-Friction Two Pieces and Can be Reversible
Auxiliary LatchboltStainless steel
ForendStainless steel Grade 304
StrikeStainless steel Grade 304, Non-Handed
Door Thickness45mm to 55mm As Standard
Backset2-3/4" (70mm)
Center to Center3-5/8"(92mm)
Door HandingLeft Hand and Right Hand
MOQ200PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Euro Cylinder with Thumb Turn
Euro Cylinder with Thumb Turn

Euro Cylinder with Thumb Turn is a commercial-grade locking solution developed for European door systems under EN1303 standards. Manufactured from solid brass for both body and plug, it delivers consistent mechanical strength and corrosion resistance across long-term use cycles. This model supports multiple key systems including master key and construction key configurations, helping project buyers manage access control efficiently across large-scale installations. With options ranging from standard 6-pin structures to 10-pin high-security configurations with dual-line pins, it enhances resistance against picking and unauthorized duplication. The thumb turn function allows convenient interior operation without a key, improving usability in residential, commercial, and institutional applications.

Product ModelDDLC001
MaterialQuality Solid Brass body and plug
Keys3 Brass Keys / 5 Brass Keys, 2.2mm thickness
Key typeYale Key, computer key
Key management functionMaster Key, Grand Master Key, Construction Key, Keyed Alike
Pins6 brass pins standard, 10 pin high security with two line pins, other sizes available
Degree0 degree, or 30 degree offset cam inhibits knock through
Fastening screw65mm (standard), other lengths will be available according to different backset
FinishSatin nickle, Antique Brass, Antique Copper, Polish Brass, Chrome, Plate, Physical Vapor Deposition, Matte Black
Accessories3 normal keys, 1pc fastening screw
Suitable forWooden door, Metal door, Interior door, outer door, swing door
MOQ500 Pieces
Package1PC with 3keys / white box or color box in standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days
Shipping PortJiangmen, China / Shenzhen, China
ServiceOEM ODM
Cylinder Euro Locks
Cylinder Euro Locks

Cylinder Euro Locks are widely used in modern mortise door systems where consistent security performance and flexible configuration are essential. The DDLC003 model complies with BS EN 1303:2015 standards and is supported by verified testing data, ensuring reliability in both residential and commercial environments. With size options ranging from 60mm to 200mm, it adapts to various door thickness requirements across wooden and steel door applications. The structure incorporates a 0-degree or 30-degree offset cam configuration, helping improve installation compatibility while reducing the risk of forced manipulation. A standard 6-pin brass mechanism is available for general use, while a 10-pin high-security configuration with dual-line pins provides enhanced protection for higher security demands. The brass body and brass keys ensure durability, corrosion resistance, and stable long-term performance under frequent usage conditions.

Product ModelDDLC003
Suitable forWooden door, metal door, interior door, outer door, swing door
CertificateBS EN1303:2015
MaterialQuality Solid Brass body and plug
Keys3 Brass Keys / 5 Brass Keys, 2.2mm thickness
Key typeYale Key, computer key
Key management functionMaster Key, Grand Master Key, Construction Key, Keyed Alike
Pins6 Brass Pins standard, 10 Pin high security with two line pins, other sizes available
Degree0 degree, or 30 degree offset cam inhibits knock through
Fastening screw65mm (standard), other lengths will be available according to different backset
FinishSatin nickle, Antique Brass, Antique Copper, Polish Brass, Chrome Plate, Physical Vapor Deposition, Matte Black
Accessories3 normal keys,1pc fastening screw
Suitable forWooden door, metal door, interior door, outer door, swing door
MOQ500PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China


Classroom Mortise Lock
Classroom Mortise Lock

Latch bolt operated by key from outside or by operating inside lever. Outside lever is always inoperative. Auxiliary dead latch. The Classroom Mortise Lock DDAL07 F07 delivers reliable security performance for controlled-access interior spaces such as storerooms and closets. Manufactured with solid SUS304 stainless steel components, this lock ensures long-term resistance against corrosion, wear, and intensive daily use in commercial environments. Certified to ANSI/BHMA A156.13-2005 Grade 1 and UL fire-rated standards, it meets strict safety and durability requirements for institutional and public building projects. With a heavy-gauge stainless steel lockcase, precision casting bolts, and flexible finishing options including SSS, PSS, PVD, and antique tones, this model fits a wide range of architectural styles and project specifications. Suitable for wood doors, metal doors, and fire-rated doors, it supports both left-hand and right-hand installations, offering dependable performance for commercial-grade applications and bulk project requirements.

Product ModelDDAL07 F07
ApplicationWood Door, Metal Door, Fire Rated Door, etc.
Certification and ComplianceANSI/BHMA A156.13-2005 Grade 1, UL Fire Rated Certificated
FinishSSS, PSS, PVD, PB, AB, AC, MB
LockcaseHeavy Gauge Stainless Steel For Corrosion Resistance
DeadboltSolid Casting SUS304, Project 1"(25.4mm)
LatchboltSolid Casting SUS304, Project 3/4"(19mm),  Anti-Friction Two Pieces and Can be  Reversible
Auxiliary LatchboltStainless steel
ForendStainless steel Grade 304
StrikeStainless steel Grade 304, Non-Handed
Door Thickness45mm to 55mm As Standard
Backset2-3/4” (70mm)
Center to Center3-5/8”(92mm)
Door HandingLeft Hand and Right Hand
MOQ200PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Fire Door Push Bar
Fire Door Push Bar

The Fire Door Push Bar DDPD007 provides a stable and responsive escape solution for commercial and public buildings where fast evacuation is critical. Manufactured in SUS304 stainless steel or reinforced steel, it delivers strong corrosion resistance and consistent mechanical performance even in high-frequency use environments. Certified under CE EN1125 and EN1634 fire rating standards, this panic exit device ensures compliance with strict safety regulations while maintaining smooth operation. The integrated dogging function with thumb turn allows controlled access during non-emergency periods, improving operational flexibility in daily use. It offers a balanced combination of safety reliability, durability, and practical usability for large-scale building projects and bulk supply requirements.

Product ModelDDPD007
CertificationCE EN1125, EN1634 fire rated
MaterialsSUS304 or Steel
For Door TypeSingle Door / Double Door
Dogging500 mm
DoggingBy Thumb Turn
Door Width650-1100 mm
FinishSSS, PSS, PVD, AB, Silver, Gold
MOQ50PCS
Package1pc / poly bag, white box / color inner box, standard export carton .
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
ANSl Solid Brass Cylinder
ANSl Solid Brass Cylinder

The ANSl Solid Brass Cylinder is a high-precision IC core cylinder developed for secure and flexible access control systems. Featuring a 6 pin interchangeable core structure, this cylinder supports efficient key management and quick core replacement, making it suitable for projects requiring scalable security solutions. Manufactured from solid brass with an SSS-covered head, it delivers stable mechanical performance and long-term durability across various door environments. Available in two standard sizes, this cylinder complies with ANSl mortise cylinder specifications and fits a wide range of door types including wooden doors, metal doors, interior doors, and exterior swing doors. This product is well-suited for OEM and ODM projects where consistency, finish customization, and reliable performance are critical for bulk order supply.

Product ModelDDLC013-ADDLC013-B
Length1-1/8"(28.5mm)1-1/4"(31.8mm)
StandardANSl Mortise Cylinder Standard
MaterialSolid Brass Body, Head with SSS Cover
Pins6 pins available
FinishPlate, Physical Vapor Deposition, Matte Black, Satin nickle, Antique Brass, Antique Copper, Polish Brass, Chrome
Suitable forWooden door, Metal door, Interior door, Outer door, Swing door
MOQ500 Pieces
Package1PC with 3keys / white box or color box in standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days
Shipping PortJiangmen, China / Shenzhen, China
ServiceOEM ODM
Emergency Exit Door Push Bar
Emergency Exit Door Push Bar

Emergency Exit Door Push Bar DDPD008 provides reliable and efficient egress control for commercial and public building applications where safety and quick exit are essential. This model is available in both steel and SUS 304 stainless steel, offering stable performance and corrosion resistance across different usage environments. The device supports installation on both single and double doors, covering door widths from 650mm to 1100mm and standard door heights up to 2100mm. With its adaptable structure and stable mechanical performance, this exit device fits a wide range of door configurations and supports bulk procurement for construction and facility projects.

Product ModelDDPD008-PDDPD008-S
MaterialsSteelSUS 304
For Door TypeSingle Door / Double Door
Touch Bar Length500mm
Door Width650-1100mm
Door Helght2100mm
Max. Door Weight200kg
DoggingBy Thumb Turn
FinishSSS, PSS, PVD, PB, Silver, Gold
MOQ50 PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
SFIC Cylinder
SFIC Cylinder

SFIC Cylinder DDLC015 is a small format interchangeable core locking solution widely used in commercial and institutional access systems where flexibility and fast rekeying are critical. The interchangeable core structure allows quick replacement of the core without removing the entire lock, helping reduce maintenance time and improve operational efficiency in large-scale door management environments. This model supports both 6-pin and 7-pin core configurations, making it compatible with mortise locks, rim housings, and cylindrical lock systems. Each unit includes standard accessories such as three normal keys and a fastening screw. The system supports structured key management, where control keys must be specified separately when cores are ordered independently.

Product ModelDDLC015
MaterialBrass
FinishSatin nickle, Bright Chrome, Satin Chrome, Antique Brass, Antique Copper, Matt black
Accessories3 normal keys,1pc fastening screw
Suitable forWooden door, Metal door, Interior door, outer door, swing door
MOQ500PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Front Door Mortise Lock Set
Front Door Mortise Lock Set

Latch bolt operated by lever from either side. Dead bolt projected by key from outside and thumb turn from inside.Operating inside retracts both bolts and unlocks outside. The Front Door Mortise Lock Set DDAL13 F13 delivers commercial-grade security performance for high-traffic entrances where durability, fire safety, and long-term stability are critical. Certified to ANSI/BHMA A156.13-2005 Grade 1 and UL fire-rated standards, this lockset meets the strict requirements commonly specified in public buildings, residential complexes, and institutional projects. A heavy-gauge stainless steel lockcase enhances structural strength and corrosion resistance, supporting reliable operation under intensive daily use. All visible components, including the forend and strike, use Grade 304 stainless steel to maintain consistent performance across wood doors, metal doors, and fire-rated doors. Flexible door handing compatibility and a reversible latchbolt simplify installation across different project requirements.

Product ModelDDAL13 F13
ApplicationWood Door, Metal Door, Fire Rated Door, etc.
Certification and ComplianceANSI/BHMA A156.13-2005 Grade 1, UL Fire Rated Certificated
FinishSSS, PSS, PVD
LockcaseHeavy Gauge Stainless Steel For Corrosion Resistance
DeadboltSolid Casting SUS304, Project 1"(25.4mm)
LatchboltSolid Casting SUS304, Project 3/4"(19mm),  Anti-Friction Two Pieces and Can be  Reversible
Auxiliary LatchboltStainless steel
ForendStainless steel Grade 304
StrikeStainless steel Grade 304, Non-Handed
Door Thickness45mm to 55mm As Standard
Backset2-3/4” (70mm)
Center to Center3-5/8”(92mm)
Door HandingLeft Hand and Right Hand
MOQ200PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Stainless Steel Lever Trim
Stainless Steel Lever Trim

Stainless Steel Lever Trim DDPD012-B is a heavy-duty access control component engineered for commercial emergency exit systems. Certified to CE EN1125 and EN1634 fire standards, it ensures reliable operation in high-traffic environments where safety compliance is critical. The solid stainless steel or zinc alloy construction provides strong resistance against wear, corrosion, and frequent usage, making it suitable for long-term installation in demanding projects. With a 77mm rosette diameter and a 134mm lever length, the trim offers a balanced grip and ergonomic handling. The hardened cylindrical body enhances security performance, while the standard Schlage C keyway ensures compatibility with widely used locking systems. It fits standard 161 cutouts, making it a practical choice for retrofit and new installations in commercial buildings, public facilities, and large-scale projects requiring stable supply and consistent quality.

Product ModelDDPD012
CertificationCE EN1125, EN1634 fire rated
MaterialsStainless steel or Zinc Aolly
Rosette Diameter77mm
Lever Length134mm
Lever Projection56mm
FinishSSS, PSS, PVD, AB, Silver, Gold
CylinderStandard Schlage C Keyway
MOQ50PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
Euro Half Cylinder
Euro Half Cylinder

The Euro Half Cylinder is a practical locking solution widely used in commercial access control systems, cabinets, and partial door locking applications. This 3 keys solid brass half cylinder door lock cylinder, available in sizes from 40mm to 55mm, offers reliable mechanical performance with a compact structure that fits single-sided locking requirements. Manufactured with a high-quality solid brass body and plug, it ensures stable operation under frequent use and maintains consistent durability in long-term supply programs. With compliance to BS EN1303 standards and fire resistance tested up to 183 minutes under EN1634, this cylinder supports demanding project specifications in both residential and commercial environments. Its corrosion resistance reaches 96 hours under EN1670 testing, ensuring performance stability even in humid or coastal conditions.

Product ModelDDLC010
CertificationBS EN1303, EN1634 fire rated 183mins, EN1670 96 hours corrosion resistance
MaterialQuality Solid Brass body and plug
Keys3 Brass Keys / 5 Brass Keys, 2.2mm thickness
Key typeDimple Key, Regular key
Key management functionMaster Key, Grand Master Key, Construction Key, Keyed Alike
Pins6 Brass Pins standard, 10 Pin high security with two line pins, other sizes available
Degree0 degree, or 30 degree offset cam inhibits knock through
Fastening screw65mm (standard), other lengths will be available according to different backset
FinishSatin nickle, Antique Brass, Antique Copper, Polish Brass, ChromePlate, Physical Vapor Deposition, Matte Black
Accessories3 normal keys, 1pc fastening screw
Suitable forWooden door, Metal door, Interior door, outer door, swing door
MOQ500 Pieces
Package1PC with 3keys / white box or color box in standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days
Shipping PortJiangmen, China / Shenzhen, China
ServiceOEM ODM
Door Knob Trim
Door Knob Trim

Door Knob Trim DDPD016 is a stainless steel trim solution used with panic exit devices to provide controlled exterior access and reliable mechanical performance in high-traffic environments. Classified as Grade 1 and featuring a non-handed structure, this model supports flexible installation across various door orientations without the need for reconfiguration. The cylindrical body incorporates hardened steel components and a heavy-duty tailpiece, ensuring consistent operation under frequent use conditions in commercial settings. This trim accommodates door thicknesses of 1-3/4" and 2-1/4", with a 3-1/2" rose diameter and compatibility with standard 161 cutouts, making it suitable for a wide range of door hardware systems. The patented clutch function helps protect internal components by disengaging under excessive force, improving durability and reducing maintenance frequency. Finish options including 32D, US3, and US4 allow alignment with different project design requirements.

Product ModelDDPD016
HandingNon-handed
GradeGrade 1
ConstructionCylindrical body with hardened steel, heavy-duty tailpiece
Door ThicknessSuitable for 1-3/4" and 2-1/4" doors
DimensionsRose diameter: 3-1/2", Lever length: 4-3/4", Fits 161 cutout
FunctionPatented clutch function
Finishes32D, US3, US4
MOQ50 PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
Exit Device Lever Trim
Exit Device Lever Trim

Exit Device Lever Trim DDPD018 is a stainless steel escutcheon trim solution used together with panic bar systems to provide controlled exterior access on fire-rated doors. The structure integrates a lever handle with a key-operated locking function, allowing the outside lever to be locked or unlocked as required while maintaining safe egress from the inside. The trim is suitable for fire-rated metal and wooden doors, supporting stable performance under demanding usage conditions. The product meets ADA compliance requirements, ensuring accessibility standards are fulfilled. Each unit is supplied with mounting hardware, installation instructions, and three keys, supporting smooth installation and project deployment.

Product ModelDDPD018
ApplicationFor fire-rated metal or wood doors
FunctlonOutside lever locked and unlocked by key
MaterialStainless Steel
FinishSatin or Polish
Escutcheon Plate Width75mm
Escutcheon Plate Height230mm
Lever Projection51mm
Lever Length125mm
Lock CylinderStandard Schlage C Keyway
CompliantADA Compliant
AccessoriesSupplied with mounting hardware instruction and 3 Keys
MOQ50 PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
Panic Bar Exit Device
Panic Bar Exit Device

Panic Bar Exit Device DDPD025 complies with UL305 and ANSI standards, offering dependable emergency egress performance for commercial door systems. This model is available in steel and SUS 304 stainless steel options, supporting different project requirements in terms of durability and corrosion resistance. The structure allows integration with trims or levers on the opposite side of the door, providing flexibility across various door hardware configurations. The device supports installation on both single and double doors, including applications with or without astragal. Rim, mortise, and vertical rod configurations can be applied depending on project needs. Various finishes such as painted silver, satin stainless steel, PVD antique brass, and gold provide adaptability to different architectural styles.

Product ModelDDPD025-PDDPD025-S
MaterialsSteelSUS 304
ApplicationThis exit device can have trim or levers on the other side of the door. Can be used on single and double doors(with Astragal x Rim/Mortise; without astragal x vertical rod).
Push Bar LengthStandard size:1045mm.Standard width bars can be field cut to the opening width.
Backset2-7/16" for single door/double door with mullion. 2-5/8" for double door with overlapping astragal
Door Width650mm to 1100mm wide
Latch Point2 point latching
Door ThicknessSuits 1-3/4(44.5mm)standard, for other door thickness applications, contact D&D
Max. Door Weight200kg
Touch Bar Centerline to Finish Floor1000mm at center
Door HeightStandard 2100mm,for other door height,contact D&D
FinishSteel Pantd Silver, SSS, PVDAB, GOD
FastenersStandard machine screws, Wooden screw
DoggingNot available in Fire Exit Hardware, Hex key
MOQ50 PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
Escape Door Lock
Escape Door Lock

The Escape Door Lock DDML009-E delivers reliable emergency exit control for Euro-standard doors across commercial and residential projects. A single-turn operation enables fast and intuitive unlocking from the inside, supporting safe evacuation when every second matters. The internal mechanism integrates a solid stainless steel 304 latchbolt and deadbolt, paired with a galvanized steel case for consistent structural strength and long-term stability. Multiple backset options at 55mm and 60mm, combined with a 72mm center distance, allow flexible installation across various door configurations. The forend and strike plate are available in both square and radius profiles, ensuring compatibility with different door preparations.

Product ModelDDML009-E
Backset  available55mm, 60mm
Distance72mm
MaterialSolid Stainless Steel 304 Latchbolt , Deadbolt, Follower, Forend, Strike plate, galvanize steel case
Forend & Strike plateSquare or Radius
FinishSatin stainless steel, Polished stainless steel, Polished brass, Antique brass, Antique copper, Matt black, Physical Vapor Deposition
Suitable  ForEscape door of commercial or residential application
MOQ300PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Sliding Door Hook Lock
Sliding Door Hook Lock

The Sliding Door Hook Lock DDML031 delivers secure and stable locking performance for modern sliding door systems. Featuring a solid SUS 304 stainless steel hook bolt, it ensures strong engagement within the strike plate, improving resistance against forced entry and long-term wear. With a 50mm backset and a precisely engineered forend plate, this lock fits seamlessly into a wide range of sliding door structures, including wooden, metal, and interior applications. Multiple surface finishes such as SSS, PSS, PVD, AB, AC, and MB provide flexibility for different architectural styles and project requirements, making it a reliable choice for both residential and commercial installations.

Product ModelDDML031
MaterialSolid SUS 304 Hook Bolt, SUS 304 Forend,Strike plale
Backset50mm
Forend PlateW16x H158 xT2.5 mm, Radius Head
FinishSSS,PSS,PVS,AB,AC,MB
Suitable For DoorSiding Door, Wooden door, Metal door, Interior door, etc.
MOQ300PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Long Throw Deadlock
Long Throw Deadlock

The Long Throw Deadlock delivers a high-security locking solution for commercial storefront aluminum doors. Featuring a robust hook bolt mechanism with an extended 1-3/16" throw, this system enhances door engagement and resistance against forced entry. The lock body integrates an 8-ply laminated steel bolt structure, reinforced with a hardened roller pin positioned within a case-hardened center layer, ensuring exceptional strength and durability under repeated use. The kit includes both exterior and interior mortise key cylinders, enabling flexible access control configurations across different project requirements. A standard 1-1/8" cylinder backset supports compatibility with common door preparations, making it suitable for replacement projects or new installations.

Product ModelDDML042
MaterialStainless Steel
FinishSSS,PSS,PVS,AB,AC,MB
Suitable For DoorWooden door, Metal door, Interior door, exterior door etc.
MOQ300PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China


Exterior Door Mortise Lock
Exterior Door Mortise Lock

Exterior Door Mortise Lock DDML009 delivers a reliable locking solution for entrance doors where durability, fire resistance, and consistent performance are essential. Engineered for both commercial and residential applications, this lock integrates a solid stainless steel 304 internal structure with a galvanized steel case to maintain long-term mechanical stability under frequent operation. Certified to CE EN12209 and DIN 18251 Grade 3 standards, and tested for 200,000 cycles, it ensures dependable function across demanding environments. With a fire rating of up to 260 minutes under EN1634, it supports projects requiring strict safety compliance. Multiple backset options from 55 mm to 80 mm allow flexible installation across various door configurations, including wooden and metal doors. Cylinder operation can control both latchbolt and deadbolt depending on the selected configuration, offering adaptability for different security requirements.

Product ModelDDML009
CertificationCE EN12209 / DIN 18251 Grade 3, 200000 test cycles, EN1634:260 Min fire rated
CE Classification3X910G3BC20
Backset available55mm, 60mm, 70mm, 80 mm
Distance72 mm
MaterialSolid Stainless Steel 304 Latchbolt , Deadbolt, Follower, Forend, Strike plate, galvanize steel case
Forend & Strike plateSquare or Radius
FinishSatin stainless steel, Polished stainless steel, Polished brass, Antique brass, Antique copper, Matt black, Physical Vapor Deposition
Suitable  forEntrance door of commercial or residential application
Suitable for DoorWooden door, Metal door, Interior door, outer door, swing door etc.
MOQ300PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Mortise Front Door Lock
Mortise Front Door Lock

Mortise Front Door Lock DDML011 delivers reliable mechanical security for entrance doors across residential and commercial environments. Engineered to meet CE EN12209 and DIN 18251 Grade 3 standards, this lock supports 200,000 test cycles and achieves a 260-minute fire rating under EN1634, ensuring stable performance in demanding conditions. The internal structure uses solid 304 stainless steel components, including latchbolt, deadbolt, follower, forend, and strike plate, combined with a galvanized steel case for enhanced durability and corrosion resistance. Multiple backset options from 55 mm to 80 mm allow flexible installation across various door configurations, while square or radius forend designs support different aesthetic and hardware requirements. With a center distance of 72 mm and compatibility with both wooden and metal doors, this mortise lock provides a dependable solution for secure, long-term use in high-traffic entry systems.

Product ModelDDML011
CertificationCE EN12209 / DIN 18251 Grade 3, 200000 test cycles, EN1634:260 Min fire rated
CE Classification3X910G-B020
Backset available55mm, 60mm, 70mm, 80 mm
Distance72mm
MaterialSolid Stainless Steel 304 Latchbolt , Deadbolt, Follower, Forend, Strike plate, galvanize steel case
Forend& Strike plateSquare or Radius
FinishSSS, PSS, PVD, PB, AB, AC
Suitable forEntrance door of commercial or residential application
Suitable for DoorWooden door, Metal door, Interior door, outer door, swing door etc.
MOQ300PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
High Security Mortise Lock
High Security Mortise Lock

The High Security Mortise Lock delivers reliable protection and consistent mechanical performance for demanding door applications. Manufactured with solid SUS304 stainless steel for the roller bolt, deadbolt, forend, and strike plate, it provides strong resistance to wear, corrosion, and long-term usage. Certified to BS EN12209 and DIN 18251 Grade 3 standards, the lock has passed 200000 operation cycles, ensuring durability in high-traffic environments. Fire resistance reaches 260 minutes under EN1634, while corrosion resistance achieves 240 hours according to EN1670, supporting use in both safety-critical and exposed conditions. Suitable for wooden doors, metal doors, fire-rated doors, interior and exterior doors, as well as swing doors, this mortise lock offers a dependable solution for commercial and residential security needs.

Product ModelDDML010
CertificationBS EN12209 / DIN 18251 Grade 3, 200000 test cycles, EN1634:260 Mins fire rated, EN1670:240 hours corrosion resistance
Backset50mm, 55mm, 60mm
Distance72mm, 85mm
MaterialSolid SUS304 roller bolt & deadbolt, SUS304 forend, strike plate
Forend & Strike PlateSquare or Radius
FinishSSS, PSS, PVD, PB, AB, AC
Suitable for DoorWooden door, metal door, fire door, interior door, outer door, swing door etc.
MOQ500PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Narrow Stile Door Lock
Narrow Stile Door Lock

Narrow Stile Door Lock DDML021 delivers reliable performance for aluminum frame doors, slim profile entrances, and commercial access systems where space is limited but strength is critical. Manufactured using solid 304 stainless steel along with brass or zinc alloy internal parts, the lock ensures long-term durability under high-frequency use. It meets CE EN12209 and DIN 18251 standards with a tested lifespan of 200000 cycles, while also achieving EN1634 fire resistance up to 240 minutes, offering both mechanical reliability and fire safety compliance for demanding environments. The reversible latchbolt allows flexible installation without additional modification, improving efficiency during bulk installation projects. Compatibility with Euro profile cylinders ensures easy integration into existing door systems.

Product ModelDDML021
Follower8×8mm
Distance85mm 92mm
Backset20mm 25mm 30mm 35mm
TypeRadius Head, Square Head
Thickness2.5mm
Width16mm 22mm
FinishSSS PSS PVD ABAC
Latch Bolt MaterialBrass / Zinc Alloy / Stainless Steel
Dead Bolt MaterialBrass / Zinc Alloy / Stainless Steel
Follower MaterialBrass / Zinc Alloy / Steel / Stainless Steel
Forend MaterialStainless Steel
MOQ500PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Narrow Stile Mortise Lock
Narrow Stile Mortise Lock

Narrow frame doors require precise locking systems that balance strength, compliance, and installation flexibility. The Narrow Stile Mortise Lock DDML023 is engineered for slim-profile door applications where space is limited but performance standards remain uncompromised. With a compact case structure and multiple backset options ranging from 20 mm to 35 mm, this lock integrates smoothly into aluminum profiles, steel doors, and wooden narrow stile systems commonly used in commercial and architectural projects. Tested to EN12209 Grade 3 with 200,000 operational cycles and certified to EN1634 with a 240-minute fire rating, it meets strict European compliance requirements for safety-critical installations. Its narrow design combined with robust internal mechanics makes it suitable for both interior and exterior swing doors where durability, fire safety, and standardized configuration are essential.

Product ModelDDML023
Follower8×8mm
Distance85mm 92mm
Backset20mm 25mm 30mm 35mm
TypeRadius, Square
Thickness2.5mm
Width16mm 22mm
FinishSSS PSS PVD ABAC
Latch Bolt MaterialBrass / Zinc Alloy / Stainless Steel
Dead Bolt MaterialBrass / Zinc Alloy / Stainless Steel
Follower MaterialBrass / Zinc Alloy / Steel / Stainless Steel
Forend MaterialStainless Steel
MOQ500PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Entry Door Lever with Deadbolt
Entry Door Lever with Deadbolt

The Entry Door Lever with Deadbolt (Model DDLK009) delivers a reliable combination of access control and reinforced security for residential and light commercial applications. This configuration integrates a smooth-operating lever handle with a high-security deadbolt system, ensuring both convenience and protection in daily use. Engineered to meet ANSI and UL 10C standards, it supports demanding environments where durability, fire resistance, and consistent performance are critical.  Its stainless steel bolt with a 1/2 inch throw enhances resistance against forced entry, while the internal mechanism supports over 800,000 usage cycles, aligning with ANSI Grade 1 performance expectations. The latch and strike system is optimized for stable installation across standard door preparations, maintaining alignment and reducing long-term maintenance issues.

Product ModelDDLK009
CertificationANSI, UL 10C, Grade 1
Door PrepCross bore 2-1/8", Edge bore 1",Latch face 1-1/8"x2-1/4"
Backset2-3/4" standard.2-3/8" optional
Door Thickness1-3/8"--2" standard
Cylinder6-Pin removable core. Scalage "C" keyway.
Face plates1-1/8"x2-1/4" square corner standard
StrikesASA strike standard. 2-1/4" full lip square corner
Bolt1/2"throw, stainless steel
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Exterior Door Knobs with Deadbolt
Exterior Door Knobs with Deadbolt

Exterior Door Knobs with Deadbolt combine mechanical reliability with consistent security performance for residential and light commercial entry systems. This lockset integrates a keyed knob and a deadbolt mechanism into a unified solution, ensuring controlled access while maintaining stable operation under frequent use. The internal structure adopts a precision-machined cylinder system with a standard “C” keyway, allowing compatibility with common key management systems. With reinforced latch components and a stainless steel bolt structure, the product maintains smooth engagement and release cycles without instability. The overall configuration aligns with standard door preparation requirements, enabling efficient installation across a wide range of door types. In practical use, the lock delivers a balanced user experience with consistent torque, stable locking feedback, and reliable resistance to forced entry attempts, supporting long-term operational consistency.

Product ModelDDLK012
CertificationANSI, UL 10C, Grade 2
Door PrepCross bore 2-1/8", Edge bore 1",Latch face 1-1/8"x2-1/4"
Backset2-3/4"standard.2-3/8" optional
Door Thickness1-3/8"--2" standard
Cylinder5-Pin or 6-Pin removable core, Scalage "C" keyway.
RosetteRemovable interior and exterior rosette by screw thread
Face plates1-1/8"x2-1/4"square corner standard
Strikes2-1/4" full lip square corner standard
Bolt1/2"throw, stainless steel
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Square Deadbolt Lock
Square Deadbolt Lock

Square Deadbolt Lock DDLK021-A and DDLK021-B offer a clean geometric appearance combined with reliable mechanical security for modern door systems. The square rosette structure delivers a sharp and contemporary visual profile, making it suitable for both residential and light commercial environments. Equipped with a solid brass cylinder and precision-engineered internal components, this deadbolt lock ensures stable locking performance and consistent operation over long-term use. The adjustable backset allows flexible installation across standard door preparations, while compatibility with common door thickness ranges simplifies project integration. Available in both single cylinder and double cylinder configurations, it supports different access control requirements, providing a balanced combination of security, adaptability, and aesthetic consistency for bulk order and project applications.

Product ModelDDLK021-ADDLK021-B
TypeSingle Cylinder Deadbolt LockDouble CylinderDeadbolt Lock
Cylinder + KeysBrass
RosetteZinc Alloy
Square Rosette65mm × 65mm
Door Thickness1-3/8" to 1-3/4" (35mm to 45mm)
BacksetAdjustable 2-3/8"(60mm),2-3/4"(70mm)
FinishSSS, AB, AC, PB, US10B
Mechanism OptionTubular Type
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Round Deadbolt Lock
Round Deadbolt Lock

Round Deadbolt Lock DDLK022 series offers a practical security solution for residential and light commercial doors, combining stable mechanical performance with a clean circular rosette design. The lockset is available in both single cylinder and double cylinder configurations, allowing flexible selection based on security requirements and door environments. With a solid brass cylinder and precision-engineered internal structure, it ensures reliable locking performance and smooth operation over long-term use. The 70mm zinc alloy rosette provides a balanced visual proportion while maintaining structural strength, making it suitable for modern door hardware systems. Its adjustable backset and compatibility with standard door thickness ranges allow easy installation across various door types. Multiple surface finishes support consistent matching with different architectural styles and project specifications.

Product ModelDDLK022-ADDLK022-B
TypeSingle Cylinder Deadbolt LockDouble Cylinder Deadbolt Lock
Cylinder + KeysBrass
RosetteZinc Alloy
Rosette Diameter70mm
Door Thickness1-3/8" to 1-3/4" (35mm to 45mm)
BacksetAdjustable 2-3/8"(60mm),2-3/4"(70mm)
FinishSSS, AB, AC, PB, US10B
Mechanism OptionTubular Type
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Occupancy Indicator Deadbolt
Occupancy Indicator Deadbolt

Clear status visibility and secure access control come together in this Occupancy Indicator Deadbolt, a practical locking solution for high-traffic restroom and privacy-focused spaces. Engineered for commercial environments, this mortise-style deadbolt integrates an internal thumb turn with an external indicator that clearly displays “In Use” or “Vacant,” helping reduce interruptions and improve user flow. An emergency release function is included for safety compliance, allowing authorized access when needed without compromising everyday privacy. Fully aligned with ADA A117.1 accessibility requirements, this deadbolt offers a reliable solution for facilities that prioritize both safety standards and user convenience in commercial applications.

Product ModelDDLK028
MaterialZinc Alloy / Brass
Door Thickness1-3/8" to 1-3/4"(35mm to 45mm)
BacksetAdjustable 2-3/8"(60mm),2-3/4"(70mm)
IncludesEmergency release key
ADA ComplianceMeets ADA requirements-A117.1 Accessibility Code
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Commercial Door Knob with Lock
Commercial Door Knob with Lock

Commercial Door Knob with Lock offers a practical and durable locking solution for high-frequency door applications in residential and commercial environments. Manufactured from stainless steel, it maintains consistent performance and surface integrity under daily use, while the brass cylinder and keys provide stable locking accuracy and extended service life. Each set includes a complete assembly package with knob lockset, latch, striking plate, fixing materials, and installation manual, allowing efficient on-site fitting without additional components. With selectable backsets of 60mm and 70mm and mechanism options including tubular and cylindrical types, this lockset supports flexible configuration for bulk orders, project installations, and wholesale distribution.

Product ModelDDLK001
Cylinder + KeysBrass
KnobStainless Steel
RosetteStainless Steel
Rosette Diameter65mm, 75mm
FinishSSS, AB, AC, PB, US10B
Suitable For DoorFlush Timber / Wooden / Aluminium / Steel Doors
Mechanism OptionTubular Type, Cylindrical Type
Door Thickness1-3/8" to 1-3/4" (35mm to 45mm)
BacksetAdjustable 2-3/8"(60mm),2-3/4"(70mm)
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Double Sided Lock Door Knob
Double Sided Lock Door Knob

Reliable access control starts with hardware that performs consistently across daily use and high-traffic conditions. The Double Sided Lock Door Knob offers a practical locking solution for both interior and light commercial applications, combining mechanical stability with a clean architectural appearance. This commercial lockset fits a wide range of door types including flush timber, wooden, aluminium, and steel doors, making it suitable for diverse installation environments. A solid stainless steel knob and rosette provide durability against wear, while the brass cylinder and matching brass keys ensure smooth key operation and dependable locking performance over time. Each set is supplied complete with latch, striking plate, fixing materials, and installation manual, enabling straightforward setup without additional sourcing.

Product ModelDDLK003
Cylinder + KeysBrass
KnobStainless Steel
RosetteStainless Steel
Rosette Diameter65mm, 75mm
FinishSSS, AB, AC, PB, US10B
Suitable For DoorFlush Timber / Wooden / Aluminium / Steel Doors
Mechanism OptionTubular Type, Cylindrical Type
Door Thickness1-3/8" to 1-3/4" (35mm to 45mm)
BacksetAdjustable 2-3/8"(60mm),2-3/4"(70mm)
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Double Cylinder Door Knob
Double Cylinder Door Knob

The Double Cylinder Door Knob is a secure locking solution engineered for both residential and light commercial entry systems where controlled access from both sides is required. Featuring a dual-key operation, this lockset enhances door security by requiring a key for entry and exit, making it suitable for exterior doors, side entrances, and areas where additional protection is necessary. The combination of a stainless steel knob and rosette ensures a solid structural presence, while the internal brass cylinder and brass keys provide reliable locking performance with smooth key rotation. Each set is supplied complete with latch, striking plate, fixing materials, and installation manual, ensuring a straightforward installation process for bulk orders and project applications.

Product ModelDDLK004
Materialstainless steel
FinishSatin Stainless Steel, Polished Stainless Steel, Polished Brass, Matt Black, Physical Vapor Deposition, Antique Brass, Antique Copper
Suitable for DoorWooden door, Metal door, Interior door, Outer door etc.
MOQ100PCS
Package1pc/poly bag, white box / color inner box, standard export carton.
Sample time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Cylindrical Lever Lock
Cylindrical Lever Lock

The Cylindrical Lever Lock offers a practical and reliable locking solution for a wide range of commercial and residential door applications. Suitable for flush timber, wooden, aluminium, and steel doors, this lockset ensures smooth operation and consistent performance under daily use. With a door thickness compatibility ranging from 35mm to 45mm, it fits standard door structures commonly used in global construction projects. The internal structure features a brass cylinder paired with brass keys, providing stable security performance and long service life. The lever handle is made of zinc alloy for strength and durability, while the stainless steel rosette enhances corrosion resistance and maintains a clean appearance over time. Multiple rosette sizes and finish options allow flexible matching with different architectural styles and project requirements.

Product ModelDDLK005
Cylinder + KeysBrass
LeverZinc Alloy
RosetteStainless Steel
Rosette Diameter65mm, 75mm
FinishSSS, AB, AC, PB, US10B
Suitable For DoorFlush Timber / Wooden / Aluminium / Steel Doors
Mechanism OptionTubular Type, Cylindrical Type
Door Thickness1-3/8" to 1-3/4" (35mm to 45mm)
BacksetAdjustable 2-3/8"(60mm),2-3/4"(70mm)
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China


Front Door Lever Lock
Front Door Lever Lock

The Front Door Lever Lock delivers a reliable balance of security, durability, and modern appearance for residential and light commercial entrances. Compatible with flush timber, wooden, aluminium, and steel doors, it supports standard door thickness from 35 mm to 45 mm, making it suitable for a wide range of installation scenarios. The lockset includes a precision brass cylinder and brass keys, ensuring consistent key performance and long-term wear resistance. A zinc alloy lever provides a solid grip with a clean, ergonomic profile, while the stainless steel rosette enhances structural strength and corrosion resistance. With both tubular and cylindrical mechanism options available, this lever lock adapts easily to various market standards and installation preferences, offering stable operation and dependable locking performance across daily use.

Product ModelDDLK014
Cylinder + KeysBrass
LeverZinc Alloy
RosetteStainless Steel
Rosette Diameter65mm, 75mm
FinishSSS, AB, AC, PB, US10B
Suitable For DoorFlush Timber /Wooden/Aluminium/ Steel Doors
Mechanism OptionTubular Type, Cylindrical Type
Door Thickness1-3/8" to 1-3/4" (35mm to 45mm)
BacksetAdjustable 2-3/8"(60mm),2-3/4"(70mm)
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Door Lock Lever Handle
Door Lock Lever Handle

Door Lock Lever Handle offers a practical and reliable locking solution for both residential and commercial doors. With a heavy-duty tubular mechanism, it fits a wide range of wooden and metal doors while maintaining smooth operation over long-term use. The lever handles and rosettes are formed through solid zinc alloy die-casting, providing a firm structure and consistent finish. Inside, precision-treated components support stable performance, while the brass cylinder and keys enhance security and durability. Adjustable backset options and compatibility with standard door thickness make installation flexible for different projects. Tested to meet ANSI Grade 3 standards with over 200,000 cycles, this lockset supports dependable daily use in high-frequency environments.

Product ModelDDLK015
MaterialSolid Zinc Alloy + Brass
FinishSatin Stainless Steel, Polished Stainless Steel, Polished Brass, Matt Black, Physical Vapor Deposition, Antique Brass, Antique Copper
Suitable For DoorWooden door, Metal door, Interior door, outer door etc.
Mechanism OptionTubular Type
Door Thickness1-3/8" to 1-3/4" (35mm to 45mm)
BacksetAdjustable 2-3/8"(60mm),2-3/4"(70mm)
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Tubular Lever Lockset
Tubular Lever Lockset

Reliable performance and consistent durability define this Tubular Lever Lockset, a heavy duty door locking solution suitable for both residential and commercial applications. The structure combines solid zinc alloy die-cast lever handles and rosettes, ensuring long-term strength and resistance to daily wear. With a high-quality brass cylinder and precision brass keys, it delivers stable locking performance and enhanced security over extended use cycles. This lockset supports a wide range of wooden and metal doors, with adjustable backset options that improve installation flexibility across different door structures. Tested to meet ANSI Grade 3 standards and exceeding 200,000 operation cycles, it offers dependable functionality for projects requiring consistent quality and supply reliability. Each set includes a complete installation solution with latch, striking plate, fixing materials, and manual, allowing efficient assembly and reduced installation time.

Product ModelDDLK017
MaterialSolid Zinc Alloy + Brass
FinishSatin Stainless Steel, Polished Stainless Steel, Polished Brass, Matt Black, Physical Vapor Deposition, Antique Brass, Antique Copper
Suitable For DoorWooden door, Metal door, Interior door, outer door etc.
Mechanism OptionTubular Typee
Door Thickness1-3/8" to 1-3/4" (35mm to 45mm)
BacksetAdjustable 2-3/8"(60mm),2-3/4"(70mm)
MOQ100PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days normally
Shipping PortJiangmen, China / Shenzhen, China
Emergency Door Push Bar
Emergency Door Push Bar

Emergency Door Push Bar offers reliable and fast exit performance for high-traffic commercial environments. Manufactured with CE-certified standards, this panic exit device features a robust stainless steel or steel structure, ensuring long-term durability and stable operation under frequent use. The 2-point latching system enhances door security while allowing smooth and immediate opening during emergencies. Suitable for both single and double doors, it supports door widths from 650 mm to 1100 mm and handles door weights up to 200 kg. With a standard installation height aligned at 1000 mm centerline, it ensures ergonomic and compliant access across various building applications such as offices, public facilities, and industrial spaces.

Product ModelDDPD028
MaterialSUS304 or Steel
For Door TypeSingle Door / Double Door
Door Width650-1100 mm
Latch Point2 point latching
Max. Door Weight200 kg
Touch bar centerline to finish floor1000 mm at center
Door HeightStandard 2100mm
FinishSSS, PSS, PVD, AB, Silver, Gold
MOQ50PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
Cross Bar Exit Device
Cross Bar Exit Device

Reliable emergency egress performance is critical in public and commercial buildings, and the Cross Bar Exit Device offers a practical solution for fast and safe evacuation. This EN1125 compliant panic exit device features a European-style push cross bar structure, allowing smooth operation under pressure situations while maintaining secure door locking during normal use. Certified with CE EN1125 and EN1634 fire rating, it supports both safety compliance and fire protection standards required in high-traffic environments. With a single latch point mechanism, the device provides stable locking performance for both single and double door applications. It accommodates door widths from 650 mm to 1500 mm and supports doors up to 200 kg, making it suitable for a wide range of commercial installations.

Product ModelDDPD021
CertificationCE EN1125, EN1634 fire rated
MaterialSUS304 or Steel
For Door TypeSingle Door / Double Door
Door Width650-1500 mm
Max. Door Weight200 kg
Latch Point1
FinishSSS, PSS, PVD, AB, Silver, Gold
MOQ50PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
Cross Bar Panic Exit Device
Cross Bar Panic Exit Device

Cross Bar Panic Exit Device DDPD034 offers a practical and reliable emergency exit solution for high-traffic commercial environments. The cross bar structure provides quick and intuitive operation, allowing users to open the door instantly under pressure situations. Made from durable steel, the device maintains stable performance even under frequent use and heavy door loads up to 200 kg. The 900 mm push rail fits a wide range of door sizes, supporting door widths from 650 mm to 1500 mm and a standard thickness of 50 mm. Available in red and black finishes, it delivers both functional safety and clear visual guidance for emergency exits. Suitable for both single and double door configurations, this panic exit device helps ensure smooth evacuation flow while maintaining long-term mechanical reliability.

Product ModelDDPD034
MaterialSteel
For Door TypeSingle Door / Double Door
Push Rail Length900 mm
Door Width650-1500 mm
Door Thickness50 mm
Max. Door Weight200 kg
Latch Point1
FinishRed, Black
MOQ50PCS
Package1pc / poly bag, white box / color inner box, standard export carton
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
Emergency Exit Door Panic Bar
Emergency Exit Door Panic Bar

The Emergency Exit Door Panic Bar delivers consistent operation under pressure, combining ANSI Grade 1 certification with UL fire-rated approval to meet strict building safety standards. Engineered for rim-type installation, this touch push bar ensures quick and effortless door release, even during emergency situations. With a solid steel or SUS 304 stainless steel construction, the device maintains long-term structural stability and corrosion resistance across demanding applications such as public buildings, industrial facilities, and commercial complexes. The push bar mechanism provides smooth activation with minimal force, supporting efficient evacuation flow while reducing operational wear over time. Multiple surface finishes, including painted silver, stainless steel, and PVD coatings, provide both functional durability and visual consistency across project specifications.

Product ModelDDPD003-PDDPD003-S
MaterialsSteelSUS 304
CertificationUL Listed, UL 305, high quality assurance.
ANSI/BHMA A156.3
Push Bar LengthStandard size: 1045mm.
Standard width bars can be fIeld cut to the opening width.
Backset2-7/16" for single door / double door with mullion.
2-5/8" for double door with overlapping astragal
Touch Bar LengthStandard 500mm
Door Width650mm to 1100mm wide
Latch Point1 point latching
Door ThicknessSuits 1-3/4"(44.5 mm) standard, for other door thickness applications, contact us
Max. Door Weight200 kg
FinishSteel Painted Silver, SSS, PVD, AB, GOLD
FastenersStandard machine screws, Wooden screw
StrikeDDPD043 packed standard (See strike page)
DoggingNot available in Fire Exit Hardware, Hex key
MOQ50PCS
Package1pc / poly bag, white box / color inner box, standard export carton.
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
UL 305 Panic Hardware
UL 305 Panic Hardware

UL 305 Panic Hardware brings together certified safety performance and durable construction for commercial exit systems. Featuring a UL listed configuration and available in stainless steel AISI304, this electrified rim exit device with battery provides stable emergency egress functionality across high-traffic environments. With a standard push bar length of 1045mm and field-cut capability, installation adapts easily to various door widths ranging from 650mm to 1100mm. The one-point latching system ensures reliable locking and quick release under pressure, aligning with strict safety compliance requirements. Suitable for doors up to 200 kg, the hardware delivers strong mechanical performance while maintaining smooth user interaction. As a solution provider for large-scale building projects and wholesale supply, this model supports consistent quality control and stable delivery for bulk order demands.

Product ModelDDPD029-PDDPD029-S
MaterialsSteelSUS 304
CertificationUL Listed, UL 305, high quality assurance.
ANSI/BHMA A156.3
Push Bar LengthStandard size: 1045mm.
Standard width bars can be fIeld cut to the opening width.
Backset2-7/16" for single door / double door with mullion.
2-5/8" for double door with overlapping astragal
Touch Bar LengthStandard 500mm
Door Width650mm to 1100mm wide
Latch Point1 point latching
Door ThicknessSuits 1-3/4"(44.5 mm) standard, for other door thickness applications, contact us
Max. Door Weight200 kg
FinishSteel Painted Silver, SSS, PVD, AB, GOLD
FastenersStandard machine screws, Wooden screw
StrikeDDPD043 packed standard (See strike page)
DoggingNot available in Fire Exit Hardware, Hex key
MOQ50PCS
Package1pc / poly bag, white box / color inner box, standard export carton.
Sample Time5-7 working days
Production Lead Time45-60 days normally
Shipping PortJiangmen, China / Shenzhen, China
Stainless Steel Padlock
Stainless Steel Padlock

The Stainless steel Padlock DDPL001 delivers a high level of physical security for demanding outdoor environments where durability and anti-theft performance are critical. Combining 304 stainless steel construction with a reinforced brass internal structure, this padlock maintains stability under long-term exposure to moisture, dust, and temperature changes. The lock body, shackle, and cylinder cover are all manufactured from SUS304 stainless steel, ensuring long-term rust resistance even in coastal or industrial environments. A double-ball locking mechanism strengthens anti-pry performance, while the hardened shackle withstands pulling forces exceeding 4 tons. For project-based supply and OEM/ODM requirements, flexible key management solutions are available, including master key systems and key alike configurations.

Product ModelDDPL001
MaterialStainless steel and Brass
FinishChrome, Nickel, SSS, PSS, PVD, AB, AC ,MB
Suitable forWooden door, Steel door, Metal door, etc
MOQ500 Pieces
Package1PC with 3keys / white box or color box in standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days
Shipping PortJiangmen, China / Shenzhen, China
ServiceOEM ODM
Anti-theft Padlock
Anti-theft Padlock

The Anti-theft Padlock combines solid construction and reliable security for outdoor and industrial use. Crafted from 304 stainless steel with a brass internal structure, it offers strong resistance to rust, corrosion, and harsh weather conditions. The horizontal lock body enhances anti-pry performance, making it more difficult to force open. Its heavy-duty design supports long-term use in demanding environments such as warehouses, gates, storage units, and equipment protection. With stable locking performance and a durable finish, this padlock ensures consistent security across various applications.

Product ModelDDPL008
MaterialStainless steel and Brass
FinishChrome, Nickel, SSS, PSS, PVD, AB, AC ,MB
Suitable forWooden door, Steel door, Metal door, etc
MOQ500 Pieces
Package1PC with 3keys / white box or color box in standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days
Shipping PortJiangmen, China / Shenzhen, China
ServiceOEM ODM
Smart Fingerprint Padlock
Smart Fingerprint Padlock

The Smart Fingerprint Padlock DDPL012 combines advanced biometric access with reinforced mechanical security, offering a practical locking solution for both personal and commercial use. With fingerprint recognition and Bluetooth app control, unlocking becomes fast and keyless while maintaining strict access control across multiple users. Its solid brass lock body and SUS304 stainless steel or alloy steel shackle provide strong resistance against corrosion, cutting, and forced entry, making it suitable for outdoor and industrial environments. Engineered for durability, this padlock withstands over 1000 hours of salt spray testing and maintains stability even under exposure to harsh chemical conditions. With storage for up to 20 fingerprints and compatibility across iOS and Android systems, it supports flexible access control for various users and applications.

Product ModelDDPL012
Materiallook body: brass; shackle: 304 or alloy steel
Unlocking MethodMobile application APP, Fingerprint
Supported VersionsIOS, Android 4.3 and above
USB interface typetype-c
Battery250mAh Li-ion battery
Voltage3.7V
Storage Capacity20 fingerprints
Operating Temperature-20℃-70℃
Waterproof GradeProtection class lP68
Bluetooth VersionBLE5.2
MOQ500 Pieces
Package1PC with 3keys / white box or color box in standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days
Shipping PortJiangmen, China / Shenzhen, China
ServiceOEM ODM
Bluetooth Smart Padlock
Bluetooth Smart Padlock

The Bluetooth Smart Padlock combines modern access technology with solid mechanical security, offering a reliable locking solution for both residential and light commercial use. Featuring fingerprint recognition and Bluetooth connectivity, this USB charging security waterproof lock allows quick unlocking without keys while maintaining strong protection against unauthorized access. Constructed from stainless steel and brass, the padlock delivers excellent durability, corrosion resistance, and long-term performance in both indoor and outdoor environments. Suitable for wooden doors, steel doors, and various metal applications, this smart padlock supports bulk supply, OEM customization, and project-based procurement needs.

Product ModelDDPL102
MaterialStainless steel and Brass
FinishChrome, Nickel, SSS, PSS, PVD, AB, AC ,MB
Suitable forWooden door, Steel door , Metal door, etc
MOQ500 Pieces
Package1PC with 3keys / white box or color box in standard export carton
Sample Time5-7 working days
Production Lead Time30-35 days
Shipping PortJiangmen, China / Shenzhen, China
ServiceOEM ODM
Electric Rim Locks
Electric Rim Locks

Electric rim locks are an essential component of modern security systems, providing an added layer of protection for homes and businesses. These locks are designed to be installed on the surface of a door, making them easy to retrofit onto existing doors without the need for extensive modifications.

One key feature of electric rim locks is their ability to be controlled remotely, allowing users to lock and unlock doors with the push of a button. This added convenience makes them ideal for busy environments where quick access is essential.

In addition to their convenience, electric rim locks also offer enhanced security features such as tamper-proof mechanisms and alarm systems. This ensures that your property remains secure at all times, giving you peace of mind knowing that your belongings are safe.

Overall, electric rim locks are a reliable and efficient way to enhance the security of your property. With their easy installation and advanced features, they are a worthwhile investment for anyone looking to improve their security measures.

For further information, please contact us.

Product ModelDDRL044
MaterialSteel and Brass
FinishChrome, Nickel, SSS, PSS, PVD, AB, AC ,MB
Suitable forWooden door, Steel door , Metal door, etc
TypeElectronic
ShapeMortise Door Lock
PartLock
Door Thickness FitsCustomized
UsageHousehold Door Locks, Bedroom, Channel Lock
Anti-theft StandardA
Backset70mm
Lock Cylinder Length70mm
Lock Size(mm)140x116x55mm
Working Voltage12-18V DC
Working Current3A
GuaranteeMore than 200000 Times
MOQ100 Pieces
PackageOne piece / White box or color box or Blister card in standard export carton
Sample Time5-7 working days
Production Lead Time45-60 days
Shipping PortJiangmen, China / Shenzhen, China
ServiceOEM ODM
Digital Smart Door Lock
Digital Smart Door Lock

The Digital Smart Door Lock DDDL001 delivers a reliable and flexible access solution for modern residential and commercial spaces. With multiple unlocking methods including fingerprint verification, password input, IC card access, mechanical key, and optional remote or APP control, it supports diverse user habits and security requirements. The lock accommodates up to 300 user groups, making it suitable for high-traffic environments such as apartments, offices, and rental properties. Its aluminium alloy structure provides durability and a clean, contemporary appearance, while the 0.96-inch OLED display offers clear and intuitive operation feedback. Additional features such as automatic locking, anti-test protection, error input alarm, integrated doorbell, and USB emergency power supply ensure both convenience and enhanced security in daily use.

Product ModelDDDL001
MaterialAluminium alloy
Display ScreenOLED display at 0.96
Number of Users≤300 groups
Product sizeoutside lock:70mmx357mm, inside:70mmx360mm
Battery4.5V-6.5V 4 cells alkaline battery
Working temperature-20℃-60℃
Functional ConfigurationComes with doorbell, multiple anti-test opening, continuous input error alarm, automatic locking, Emergency key unlock USB emergency power supply.
MOQ10 PCS
Package1 PC / Polybag / Inner box in standard export carton
Sample Time3-5 working days
Production Lead Time20-25 days
Shipping PortJiangmen, China / Shenzhen, China
AvailableOEM/ODM
Digital Smart Door Lock
Digital Smart Door Lock

The Digital Smart Door Lock offers a practical combination of security, capacity, and modern interface control for residential and commercial access management. Built on a durable aluminium alloy structure, this model supports up to 300 user groups, making it suitable for high-traffic environments such as apartments, offices, and rental properties. The integrated 0.96-inch OLED display provides clear, real-time status feedback, allowing users to interact with the system efficiently. It includes multiple security layers such as anti-test opening protection, continuous input error alerts, and automatic locking to reduce unauthorized access risks. Additional features like a built-in doorbell, emergency key access, and USB emergency power supply ensure usability even in unexpected situations.

Product ModelDDDL007
MaterialAluminium alloy
Display ScreenOLED display at 0.96
Number of Users≤300 groups
Working temperature-20℃-60℃
Product sizeoutside lock: 70mmx357mm, inside: 70mmx360mm
Battery4.5V-6.5V 4 cells alkaline battery
Functional ConfigurationComes with doorbell, multiple anti-test opening, continuous input error alarm, automatic locking, Emergency key unlock USB emergency power supply.
MOQ10 PCS
Package1 PC / Polybag / Inner box in standard export carton
Sample Time3-5 working days
Production Lead Time20-25 days
Shipping PortJiangmen, China / Shenzhen, China
AvailableOEM/ODM
Fingerprint Entry Door Lock
Fingerprint Entry Door Lock

The Fingerprint Entry Door Lock (Model DDEL002) brings advanced access control and real-time visual security into one integrated solution. Built on a durable aluminium alloy structure, it supports up to 300 user groups with a high-precision semiconductor fingerprint module for fast and reliable unlocking. The system combines dual cameras with a 1 million pixel night vision HD setup and a 5.0-inch indoor display, allowing clear monitoring and active video intercom through USmart GO. With a wide operating range from -20℃ to 60℃ and a 4200mAh lithium battery, it maintains stable performance across different environments. Features such as anti-pry alarm, dual doorbells, automatic locking, and one-button quick opening create a complete security layer suitable for residential and project-based installations.

Product ModelDDEL002
MaterialAluminium alloy
Fingerprint ModuleSemiconductor
Door Viewer Configuration1 million pixel night vision HD camera + 5.0-inch display + USmart GO active intercom
Working temperature-20℃-60℃
Amount of Users≤300 groups
Battery4200mAh lithium battery
Functional Configurationwith front and rear doorbells, anti-pry alarm, one-button quick opening and automatic locking functions, front and rear dual cameras, active video intercom, and surveillance.
MOQ10 PCS
Package1 PC  / Polybag / Inner box  in standard export carton
Sample Time3-5 working days
Production Lead Time20-25 days
Shipping PortJiangmen, China / Shenzhen, China
Face Recognition Door Lock
Face Recognition Door Lock

The Face Recognition Door Lock DDEL020 brings together multi-layer access control and real-time visual monitoring in one integrated system. With a high-precision face recognition module, semiconductor fingerprint sensing, and a triple-camera setup, this solution adds both convenience and control to modern residential and commercial entry points. It supports multiple unlocking methods including face recognition, fingerprint, password, and card access, making it suitable for different user habits and high-frequency usage scenarios. Backed by a 4200mAh lithium battery and built with aluminium alloy structure, it maintains stable performance while handling daily security demands across wooden, metal, and steel doors. This makes it a practical solution for property managers, project buyers, and distributors seeking smart access systems with both hardware reliability and intelligent monitoring capability.

Product ModelDDEL020
MaterialAluminium alloy
Fingerprint ModuleSemiconductor
Door viewer Module1 milion independent three cameras + 4.5-inch IPS screen
Battery4200mAh lithium battery
Opening MethodFace, fingerprint≤100 groups, password capacity≤100 groups, card≤100 groups
Suitable forWooden door, Metal door, steel door  etc.
Functional configurationEquipped with rear doorbell, anti-pry alarm, one-button quick openingand automatic locking functions. Three front and rear cameras, real-time monitoring support indoorand outdoor viewing, and lingering capture.
MOQ10 PCS
Package1 PC  / Polybag / Inner box  in standard export carton
Sample Time3-5 working days
Production Lead Time20-25 days
Shipping PortJiangmen, China / Shenzhen, China
AvailableOEM/ODM

Applications

Residential Building
Office Building
Hotel
Healthcare
Education
Commercial Building

Video

See real product details, structure, and usage scenarios through our visual demonstrations.

Educational Facility Classroom Project
Radiology & X-Ray Room Project
Apartment Complex Project
Office Building in Middle East
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Why choose us?

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Full International Certification
Products are fully compliant with UL, CE, ANSI, and BHMA standards, meeting regulatory requirements across major global markets.
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ISO 9001 Certified Manufacturing
ISO 9001–certified production with strict quality control ensures consistent performance, reliability, and long-term durability.
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Complete Door Hardware System
A comprehensive range of door hardware products, fully matched and compatible, enabling one-stop procurement for all door applications.
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Professional Engineering & Technical Support
Comprehensive technical support including CAD/BIM drawings, hardware schedules, and application guidance to support project design and execution.
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End-to-End OEM / ODM Capability
From product design and engineering to branding, packaging, and logo customization, providing complete OEM/ODM solutions tailored to market needs.
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Advanced Manufacturing Equipment
Modern production lines and advanced machinery enhance productivity while ensuring precision, consistency, and product quality.
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Proven Global Project Experience
Extensive experience supplying door hardware for hotels, hospitals, commercial buildings, and public projects worldwide.
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Reliable On-Time Delivery
Stable production capacity and supply chain management ensure on-time delivery for global partners and long-term projects.
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Long-Term Mechanical Guarantee
All products are backed by a 10-year mechanical guarantee, reinforcing confidence in quality and performance.

FAQs

How can I obtain your latest pricing?

Please contact us by email or phone with your detailed requirements. Our team will reply within 24 hours. In addition to door hardware, D&D also delivers complete door opening solutions.

What payment terms do you accept?

We accept T/T, D/P, Western Union, and L/C as payment methods.

Are you a manufacturer or a trading company?

We are a manufacturer with over 18 years of experience and are an SGS-audited factory specializing in architectural hardware.

Can I request samples before placing an order?

Yes. Up to three samples can be provided free of charge. Customers are required to arrange a courier account for freight collection.

What stainless steel grades are available?

We mainly use SUS304 and SUS316 stainless steel, with SUS201 available for selected product applications.

What warranty do you provide?

All our products are backed by a 10-year mechanical warranty.

Do you have a quality management system in place?

Yes. We operate a complete quality control system, with strict inspection and monitoring at every stage of mass production following standardized procedures.

Do you offer OEM and ODM services?

Yes. We provide both OEM and ODM solutions and have extensive experience collaborating with well-known global brands.

What certifications do your products have?

Our products carry CE and UL certifications, and all designs are developed in accordance with international standards such as EN/CE, UL, ANSI, and BHMA.

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