Union Steel Industry Co., Ltd as member of United Steel Industry Group, specialized in steel pipe(LSAW Steel Pipe, SSAW Steel Pipe, ERW Steel Pipe, SMLS Steel Pipe, Coated Steel Pipe, Stainless Steel Pipe, etc) and pipe fittings designing, manufacturing, stocking and exporting in China. As one of the leading manufacturer of steel pipe products in China, Union Steel Industry Co., Ltd are committed to providing one-stop service to customers around the world.