Haining Shuangmi n Fastening piece Co., Ltd. specializes in the production of high quality hot-forging large size fasteners: ANSI, DIN, BS, GB, main products of which are nylon insert lock nuts, Our products have been exported to Europe and US over the years, praised by users. The company is located in See the tide of good places resort Haining, strategic location, convenient transportation, 20km away from Hangzhou city, 15km away from Xiaoshan International Airport, 7km away from Hangzhou around-city highway exit, 5km away from Shanghai-Hangzhou highway exit. All staff of the company are inline with strives forthe survival by the quality, credibility and development of pursuit, we sincerely welcome overseas clients to visit.