HAIYAN SUN’S JIANXIN FASTENERS CO., LTD. Located at the south of Shanghai, was established in 1997.We enable to produce screws and bolts according to BS, ANSI, DIN, JIS and other Non-standard fasteners according to our customer’s samples or drawings.SuchasM2---M45, 1/8”---1-1/2”of Nuts and M4---M45, 1/8”---1-1/2” of Bolts. We also produce anchor bolts, U bolts etc.With the quality---centered rule, we offer high---quality products at reasonable price and the first-class after-sale service .