... project and the export of building products, including deformed steel bars, wire products, hot rolled, cold rolled, galvanized coated ... a large company specializing in the production of stainless steel seamless pipes and seamless pipes, Tianjin Hangtuolitai Trade ... Seamless Steel Tube Plant, Baotou Steel Pipe Plant, Chengdu Steel, Anshan Steel Pipe Plant, Baoshan Steel Pipe Plant and other steel pipe ...