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.

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

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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