... beam, bridges, transmission tower, lifting transportation machinery, ship, industrial furnace, reaction tower, container frame and warehouse goods shelves, ... us for more information. Tianjin Shangyi Metal Structure Co. Ltd is a leading export company base in Tianjin, ... build long-term partnership! Company NameTianjin Shangyi Metal Structure Trade Co. LtdAddressA1905 of Future Plaza ,No 103,Weidi Road ...