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.
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.
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.
We deliver seamless support from inquiry to delivery:
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.
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.
Full Product Portfolio
Rigorous International Certifications
In-House Quality Testing
Automated Production Facility
Proven On-Time Delivery
End-to-End Traceability
Patented & Proprietary Designs
Quiet & Durable Solutions
Eco-Friendly & Sustainable
Global Supply Chain Recognition
Global Market Reach
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 about Chaolang Door Hardware Supplier
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.