Headquartered in Tangshan,the most important industrial city China,Tuojia Trading Co., ltd is a professional steel manufacturer and distributor, providing high-quality products,range covering carbon pipe,galvanized pipe,plastic lined pipe,structural steel,plate pipe fittings. ...

We produces all kinds of aluminum profile accessories for 20*20,30*30,40*40,45*45,80*80 etc. also we specialize in the production T nuts, hammer head bolts, -screws, plastic cover, angle connector and other profile, besides square bolts are one part our main business, which is widely used ...