Haiyan Brother United Fastener Co., Ltd is located in Haiyan Qinshan Industrial Park, which is famous for its hardware. It close to Hangzhou Bay Bridge, Shanghai port and Jiaxing Zhapu port, which make it have strategic location and convenient transportation.    Our company is specialized in manufacturing and exporting all kinds of fasteners, including hex nuts, bolts, thread rods, screws and washers etc. Our target is doing whatever we can do to meet different customers’ needs. The main customers come from the Middle East, Europe, East Asia, and America and so on. Our products are according with standards of DIN, ANSI, BS, JIS and ISO. Many customers who are the main importers in the international markets are united in praise for the quality of our products. To assure you of market-leading product quality, we make each TUV-approved item using the finest materials from Europe, and the latest machines from Switzerland and Italy. Plus, we carry out in-house QC at multiple stages in our ISO 9001:2000-certified facilities, storing all results in our central data-bank. So we can provide you with detailed order-specific reports on tensile strength, on torque and on zinc plating thickness.