... steel widely used in chemical industry, food, medicine, paper, oil and atomic energy industries, as well as building, kitchenware, ... please contact us for more information.Tianjin Shangyi Metal Structure Co. Ltd is a leading export company base in Tianjin, which ... build long-term partnership! Company NameTianjin Shangyi Metal Structure Trade Co. LtdAddressA1905 of Future Plaza ,No 103,Weidi Road , ...