... please contact us for more information. Tianjin Shangyi Metal Structure Co. Ltd is a leading export company base in Tianjin, which specialized ... , and we are building up rapidly a strong network world wide.Our company has a large rang of various assortment ... and build long-term partnership! Company NameTianjin Shangyi Metal Structure Trade Co. LtdAddressA1905 of Future Plaza ,No 103,Weidi Road ,Hexi ...