Company Introduction: Hangzhou Tang Cheng Hardware & Houseware Co., Ltd Established in 2001 and has been engaged in export for 11 years, Hangzhou Tang Cheng Hardware & Houseware Co., Ltd.is a professional manufacturer of series of hardware, nut sets, cotter pin kits, gasket sets, automotive fuse kits, O-ring seals, grease fittings sets, terminal sets and key sales kits, which are exported worldwide. Factory also can supply the service of packing and OEM., Such as plastic box, double blister , slding card and skin card package. Our 3, 000-square-meter factory houses two production lines equipped with advanced machines manned by more than 50 workers, including two R&D engineers with five years of experience who can develop one new item monthly and three QC auditors with five years of experience who ensure all our products are of high quality. Welcome To Coopration with Us!