... , please contact us for more information. Tianjin Shangyi Metal Structure Co. Ltd is a leading export company base in Tianjin, which specialized ... capacity of supply is over 40,000 tons annually. Our business turnover is over 30,000,000 USD dollars.We have ... build long-term partnership! Company NameTianjin Shangyi Metal Structure Trade Co. LtdAddressA1905 of Future Plaza ,No 103,Weidi Road ,Hexi ...