Haiyan Dazhong Nut Co.,Ltd.

HAIYAN DAZHONG NUT CO. LTD, was established in 1980, is a professional manufacturer of standard fasteners, the mainly products are hex nuts, threaded rods, anchor bolts and casting expansion pipe. Our company has passed the international quality management system ISO9001: 2000, it could produce according with DIN934(Code forging: M6-M24; Hot forging: M27-M64), DIN975(M5-M52), ANSI(1/4"-2.1/2"), BS, ISO and GB, also could product the non-standard fasteners, which deal with your drawer or sample.