CHAOLANG Hardware is a professional one-stop door control hardware manufacturer offering full-dimensional OEM & ODM customization for global door factories and construction contractors. We provide all-round tailored solutions covering structure, material, forming, surface finishing, assembly and tracking service. Customizable patented concealed hinge structures, BAOSTEEL 304/316L stainless steel materials with ±0.1mm tight tolerance and precision shaping within ±0.05mm are available. Our in-house surface treatment workshop delivers hardware passing 120-hour salt spray test, paired with matched custom locksets. Equipped with intelligent flexible production lines and MES traceability system, we support mixed small-batch orders, real-time progress updates and cloud quality data sharing. Over 200 successful custom cases prove our reliable customized hinges, door locks and stoppers.

Founded 25 years ago, CHAOLANG Hardware is a professional door control hardware manufacturer located in Zhongshan. We specialize in premium stainless steel & decorative silent hinges, door locks and door stoppers with independent invention patents for concealed screw hinge designs.Our 10,000㎡ factory features full automated production lines covering mold development, polishing, assembly and packaging, plus an in-house eco-friendly surface treatment workshop certified by ISO9001 and ISO14001. Strict full-process traceable quality control delivers anti-corrosion, durable and silent hardware with minimal after-sales cost.We serve domestic top brands like Oppein and Evergrande, and supply ASSA ABLOY’s supply chain, exporting to over 20 countries across Southeast Asia and the Middle East. Committed to precision craftsmanship, we welcome worldwide long-term partners for stable high-quality door hardware cooperation.

Established in 2001, CHAOLANG is a top-tier global-standard door hardware manufacturer with a 10,000+ sqm production factory, specializing in high-performance door hinges, door locks and door stoppers. Our core products include stainless steel hinges, brass hinges and oil-free hinges, widely applied to wooden, metal and fire doors for residential, office and commercial projects. We adopt full in-house manufacturing covering mold development, automatic stamping, auto polishing and fully automated assembly. Integrating independent R&D, mass production and worldwide distribution, we provide one-stop door hardware solutions. All items undergo strict durability and anti-rust tests to meet international standards. Flexible OEM & ODM customization is available for global hardware wholesalers.

Chaolang is a professional China-based door hardware manufacturer supplying premium door hinges, door handles, lock bodies, lock cylinders, door stoppers and full matching hardware accessories for global wholesalers and project buyers. Our stainless steel & brass hardware fits wooden, metal and fire doors, meeting EN1935, CE and ISO standards with strict salt spray and durability tests.Equipped with automated production lines, we offer one-stop hardware supply, flexible MOQ, and custom OEM/ODM services including customized logos, finishes, sizes and packaging. Our anti-rust, heavy-duty, silent hardware suits residential, hotel, office and commercial buildings, exported steadily to Europe, Southeast Asia and the Middle East. We control every production step from raw material to finished goods, delivering cost-effective certified bulk hardware solutions. Contact us to get factory-direct prices and latest catalogs for wholesale door hardware orders.