Wenzhou Kangsheng Hardware Co., Ltd. is a manufacturer and trading company based in Wenzhou, China, established in 1997. With 201-300 employees, the company specializes in the production of standard component fasteners, including screws and nuts. Their product range features Hexagon Domed Cap Nuts, Hexagon Socket Set Screws, Hexagon Socket Cap Screws, Hex Socket Set Screws, Hex Socket Cap Screws, Hex Cap Nuts, and Hex Domed Cap Nuts. These fasteners are made from stainless steel grades such as 316, 302HQ, 304HC, and 201Cu, and are extensively applied in machinery, hardware, and the security sector. The company operates a factory and utilizes advanced worker's location nut shaping machines from Taiwan. Wenzhou Kangsheng Hardware Co., Ltd. holds ISO 14001 certification and has a strong international presence, exporting to Europe, America, Southeast Asia, the United Arab Emirates, India, Japan, and Vietnam.
Tianjin Jinghai Chengxinsheng Industrial & Trading Co., Ltd. is an industrial and trading company based in Tianjin, China, established in 2004. With a workforce of 101 to 200 employees and a factory spanning 10,000-30,000 square meters, the company specializes in the production and export of hardwares and stamping parts. They offer OEM and ODM services, supported by modern workshops, punch machines, and galvanized working lines. The company's core product lines include a comprehensive range of fasteners such as anchor bolts, screws, and flat washers. Anchor bolts are customizable to client drawings, available in L, J, I, and U types, with both UNC (1/2" to 1 3/8") and metric (M12 to M30) specifications. Screws include drywall, self-tapping, self-drilling, sheet metal tapping, plastic tapping, and wooden screws, with diameters from M2 to M8. Flat washers adhere to various international standards including USS, SAE, FENDER, ASTM F436, DIN (e.g., 125A, 126, 433, 436, 440, 1052, 6916, 7349, 7989, 9021), NFE 25-513, BS (4320, 3410), and JIS B1186, alongside non-standard options. Tianjin Jinghai Chengxinsheng Industrial & Trading Co., Ltd. holds ISO 9001 and CE certifications, ensuring high-quality products. The company has an annual revenue between US$1 Million and US$5 Million and exports to international markets, including India and Panama.