... more information. Tianjin Shangyi Metal Structure Trade Co. Ltd is a leading export company base in Tianjin, which specialized in ... Beam, Galvanized Steel Coil, Hot Rolled Steel Plate, Cold Rolled Steel Plate, Mild Steel Plate, Structure Steel, difference kind of pipes, Galvanized ... Globe and give a high service in steel shipping, steel processing, and steel trading.We look forward to cooperate and ...