... bridges, transmission tower, lifting transportation machinery, ship, industrial furnace, reaction tower, container frame and warehouse goods shelves ... more information. Tianjin Shangyi Metal Structure Co. Ltd is a leading export company base in Tianjin, which specialized ... Structure Trade Co. LtdAddressA1905 of Future Plaza ,No 103,Weidi Road ,Hexi District , Tianjin ,ChinaWebsitetjshangyijinshu.en ...