CHAOLANG Door Hardware Strength
With 25 years of expertise in door control hardware, CHAOLANG offers ISO-certified hinges, locks, and complete door systems. Backed by automated production, rigorous QC, and partnerships with leading global brands, we deliver reliable solutions for residential and commercial projects worldwide.
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.
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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.
zschaolang@outlook.com
+86 18022188333Please complete the details below and then click on Submit and we'll be in contact.
Global-Standard Door Hardware Manufacturer
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Contact Person: Mr.LIU
Phone: +86 18022188333
E-mail: zschaolang@outlook.com
E-mail: chaolang188@gmail.com