loading
China Leading Door Hinge, Handle, Stopper and Lock Cylinder Manufacturer Since 2001

Initial

what are the benefits
6,000㎡ self-owned factory
15+ years manufacturing experience
Monthly capacity 50,000+ pieces for established labels
7-10 day sampling with 48-hour revision turnaround
Get Custom Quote in 24 Hours
98%+ on-time delivery rate
DHL/FedEx expedited shipping + consolidated sea freight options
IP Protection Guarantee
In-house design team converts concepts to 3D models
NDA standard procedure for all brand partners
Exclusive design lock options available
One-Stop Service: From design consultation to final packaging
±0.05mm tolerance matching Hermès hardware standards
Triple QC system (IQC→IPQC→OQC) ensuring 99.2%+ consistency
REACH/RoHS Certified ;SGS/TÜV test reports included
ISO 9001:2015 certified secure processes
500+ international brand partners
Our direct manufacturing model delivers 20-30% lower costs than traditional suppliers
Tiered Wholesale Pricing & Larger Orders Enjoy More Favorable Rates
 Featured Products

Our Series of Door Hardware 

Door Hinge

Our high-performance door hinges are engineered for smooth, quiet, and long-lasting door movement. Made of high-quality stainless steel and cooper, our door hinges provide strong load-bearing capacity, anti-rust performance, and stable flexibility for various door types. All hinges are tested to meet EN1935 hardware safety standards, ideal for heavy wooden doors, metal doors, fire doors, and interior exterior doors.

Door Handle

Our door handles combine ergonomic design, stable structure, and modern appearance. Manufactured with stainless steel and aluminum zinc alloy, these door handles feature anti-tarnish, anti-slip, and wear-resistant performance. Various surface finishes and styles are available to match interior doors, bedroom doors, office doors, and commercial building doors.

Door Stopper

Door stoppers effectively prevent door collision, protecting walls, door panels, and furniture from scratches and damage. Our door stoppers adopt high-strength metal and silent rubber buffer structures, providing stable adsorption and strong shock absorption. Suitable for home, hotel, office, and commercial building door installation.

Lock Cylinder

High-precision lock cylinders are made of pure brass with anti-pick, anti-drill, and anti-break security structures. Equipped with precise marble structures, our lock cylinders deliver smooth key insertion and rotation. Euro profile sizes and customized lengths are available to match various lock bodies.

overview

Customer Testimonial

As a manufacturer-led global metal accessories supplier, we specialize in comprehensive one-stop custom hardware solutions, covering design consultation, precision engineering, manufacturing, and worldwide logistics. With factory-level quality control and CNC precision craftsmanship, we create distinctive, compliant, and market-competitive luxury products for fashion brands across North America, Europe, Middle East, and Asia on the basis of mutual growth.

 Evaluation system
Customer Positive Reviews & Feedback
As a reputable Bag Hardware Supplier, we receive great reviews from global clients. Our reliable quality, professional service and timely delivery win wide trust. Warm customer feedback proves our strength and brings stable long-term cooperation worldwide.

Our Rang of Customized Services

Basic Customization: Tailored Products for Most Clients

Ideal for door hardware distributors, door brands and hardware distributors:

Custom Specifications: Adjust dimensions, materials, thicknesses, and finishes to match your design standards.

 Styling Customization: Develop unique door profiles, hinge designs, and finishes to align with your brand aesthetic.

 Branding Services: Add your logo, custom packaging, and part numbering for seamless brand integration.

 Functional Optimization: Enhance products for specific environments, such as high-humidity, coastal, or commercial applications.

Advanced Project Solutions: Full Door System Consulting for Commercial Clients

For construction contractors, project owners, and commercial developers:

 System Integration Consulting: Provide compatibility and installation guidance for hinges, locks, door closers, and other hardware with your door frames.

 Compliance Assistance: Help ensure your door hardware meets local fire safety, accessibility, and building code requirements.

 Technical Support: Offer on-site or remote installation guidance, troubleshooting, and post-delivery maintenance support.

 Cost & Schedule Optimization: Work with you to select cost-effective hardware solutions that meet performance standards without compromising timelines.

 How to Work

One-Stop Customization Process

We deliver seamless support from inquiry to delivery:

Client Inquiry & Consultation
Discuss your project requirements, including specifications, materials, and regional standards, with our dedicated engineering and sales team.
Custom Design & Solution Planning
Our technical team develops tailored designs, adjusting dimensions, materials, and finishes to match your exact needs.
Sample Development & Approval
We create prototypes for your review, ensuring fit, finish, and performance meet expectations before full production.
Mass Production & Quality Control
With in-house manufacturing facilities, we ensure consistent quality and on-time delivery, with rigorous testing at every stage.
Global Logistics & Delivery
We coordinate reliable international shipping to meet your project timelines, with flexible terms for bulk orders.

Tailored Solutions For Your Business

As a leading manufacturer of door hardware, we provide ANSI/EN/AS-certified solutions, seamless one-stop customization, and full lifecycle support for partners worldwide.
For Hardware Retailers & Brand Owners
Curated, high-quality door hardware lines with consistent finishes and competitive pricing to expand your product range.
For OEM/ODM Custom Clients
Flexible manufacturing support for custom door hinges, locks, and branded hardware to match your unique requirements.
For Wholesalers & Distributors
Bulk-ready door hardware inventory with reliable lead times and full product documentation for resale.
For Door Manufacturers & System Suppliers
Integrated door hardware kits (hinges, locks, handles, stoppers) for standard and custom door production lines.
For Construction Contractors & Engineering Companies
Project-ready door hardware solutions with fire-rated, heavy-duty options for commercial and public buildings.
For Architects & Design Firms
Design-friendly door hardware with diverse finishes, specifications, and BIM data to bring your vision to life.
 Our Advantages

Why Choose Chaolang As Your Reliable Door Hardware Manufacturing Partner? 

As a professional door hardware Company in Zhongshan, China, we focus on the research, production, and export of High Quality door hardware accessories. From raw material selection, precision stamping, polishing processing to finished product assembly, every production process is strictly controlled. We keep long-term stable cooperation with hardware distributors in Europe, Southeast Asia, and the Middle East, providing cost-effective and certified door hardware bulk solutions.

Complete One-Stop Door Hardware Supply
We cover the full range of door hardware components, including hinges, locks, handles, and spare parts, simplifying procurement for door hardware wholesalers and furniture manufacturers.
Strict International Quality Certification
All door hardware products pass salt spray tests, opening-closing durability tests, and load-bearing tests, complying with EN1935, CE, and ISO quality standards.
Advanced Automatic Production Capacity
Equipped with automatic polishing machines, precision stamping equipment, and assembly lines to ensure stable output, consistent quality, and fast bulk delivery.
Custom OEM & ODM Service
Custom logos, finishes, sizes, and packaging to meet personalized project requirements for global clients.
 Our partners

Trusted by 200+ Cooperative Partners

As a leading custom door hardware manufacturer, Chaolang has earned recognition from global authorities, holding SGS, ISO 9001, UL, and FSC certifications, a testament to our uncompromising quality and service standards. We’re proud to partner with 200+ industry leaders delivering tailored label solutions that meet the rigorous demands of brands across sectors.

Global-Compliant Precision Manufacturing

Full Product Portfolio

We offer a complete range of door control solutions, from hinges and locks to door closers and door stops. With mature mold libraries and production experience, we serve both residential and commercial applications.

Rigorous International Certifications 

Our products meet leading global standards, including ANSI, EN, and Australian codes, ensuring they perform reliably across different regions and environments.

In-House Quality Testing

Our industry-leading QC center conducts over 200,000 cycle life tests and environmental evaluations on every batch, guaranteeing performance even in extreme 

Large-Scale Production & Automation

Automated Production Facility

Our 6,000 sqm factory features fully automated lines for cutting, punching, bending, welding, polishing, assembly, and packaging. This ensures consistent quality, high efficiency, and the flexibility to handle both small custom runs and million-piece orders.

Proven On-Time Delivery

Optimized production scheduling and advanced equipment make our efficiency 30% higher than the industry average, with a 98% on-time delivery rate.

End-to-End Traceability

Supported by ISO9001 and ISO14001 certifications, every step from raw material inspection to final packaging is documented and traceable.

R&D & Innovation Strength

Patented & Proprietary Designs

We hold multiple patents, including a national invention patent for our self-developed decorative hinge. Its unique concealed screw design offers unmatched aesthetics with no direct competitors in the market.

Quiet & Durable Solutions

Our silent operation technology ensures smooth, noise-free performance, while ultra-long lifespan minimizes after-sales needs for your projects.

Eco-Friendly & Sustainable

Our surface treatments meet green standards, supporting global sustainability requirements without compromising corrosion resistance or durability.

Trusted Partner to Global Leaders

Global Supply Chain Recognition

We are an approved supplier for ASSA ABLOY and a long-term strategic partner for top Chinese brands like Oppein and Evergrande. Our manufacturing standards, quality control, and delivery capabilities meet the highest international benchmarks.

Global Market Reach

Our products are trusted in over 20 markets across Southeast Asia, the Middle East, and beyond, with proven performance in diverse climates and applications.

Out Standing Team

R&D Team

CHAOLANG owns a professional in-house R&D team specialized in structural design, appearance development and process optimization. Focusing on door hardware innovation, we upgrade silent structures, concealed designs and anti-corrosion finishes based on market demands and user pain points. With independent patented technologies, we deliver differentiated hardware to strengthen clients’ market competitiveness and support sustainable brand growth.

Production Team

Our production team consists of senior technicians and professional QC managers, mastering the entire manufacturing process from mold development, automated stamping and precision polishing to finished assembly. Following ISO quality and environmental standards, they conduct multi-stage inspections and standardize automated production. Adhering to precision manufacturing, the team guarantees stable quality, fast lead time for bulk orders and customized project solutions.

Business Team

CHAOLANG’s global business team is familiar with regional market rules and hardware access standards worldwide. We provide one-stop procurement and customized solutions for global distributors, door factories and engineering clients. Covering demand analysis, product matching, quotation and after-sales technical support, our team solves clients’ problems efficiently and builds long-term win-win strategic partnerships with flexible cooperation models.

 FAQ

FAQ about Chaolang Door Hardware Supplier

1
What is the quality standard of your door hardware?
All our door hinges, locks, and handles comply with EN1935 European hardware standard, CE certification, and ISO9001 quality management system. Every product passes salt spray corrosion test and durability test before shipment.
2
Can you provide OEM and customized services?
Yes. We support customized logo, metal finish, size adjustment, and exclusive packaging for wholesale clients and hardware brands.
3
What kinds of doors are your hardware suitable for?
Our door hardware fits wooden doors, metal doors, fire doors, bedroom doors, office doors, and commercial building doors for both interior and exterior installation.
4
What is your minimum order quantity?
We support flexible MOQ for wholesale orders. Small trial orders and large engineering bulk orders are both acceptable.

Global-Standard Door Hardware Manufacturer

Founded in 2001, CHAOLANG is a leading manufacturer of door hinge industry technology. The company currently has a plant area of 10000+ square meters.and currently mainly produces stainless steel hinges, copper hinges, oil-freehinges, door lock and door stopper.


Covering mold development, automated stamping, auto polishing and full-automatic assembly, we implement complete in-house manufacturing processes. We supply high-quality door hardware and all-round supporting services as an integrated manufacturer of R&D, production and global distribution.

Manufacturing Experience
Experienced Employees
Cooperative Clients
Garden Workshop
 contact us
Let Chaolang Boost Your Business Today​​​​​​​
Experience seamless assistance from our team of Trade Account Managers with everything from quotes to delivery and everything in between for your project. Our trade experts are here to help.
Please complete the details below and then click on Submit and we'll be in contact.
Copyright © 2026 Chaolang All Rights Reserved.
Customer service
detect