... bolts, nuts, screws,washers, anchors, rivets, pins and special fasteners made of low and medium carbon steel, alloy & stainless steel, aluminum, ... according to DIN, ANSI, AS, BS, JIS, GB, ISO and other standard&non-standard specifications base on our customers’ special ... thread.Since established in 2001, we have developed good and long-term relationships with customers as well as mature supply chains ...