shuangfei company ,based on strong technology development and design capability,brought to upgrade the production and equipment .accerding to customer dxpections provide the new products quickly.Presently the production process inclusive of picking ,wire drawing ,forming ,threading ,heat-teated ,automatic plating and packing.Shuangfei are emphasize on manufacturing of various such as bolts,nuts,screws,drawm wire and other special fasteners.Shuangfei want to be the ''FASTENING EXPERT OF CONSTRUCTION FORMWORK ''.Shuangfei company can provide you "easy" "fast"&"complete"services.One stop shopping fulfill all your requirements.