TIANJIN TSD STEEL IMP AND EXP CO.,LTD WAS LOACATED IN TIANJIN, WE ARE MANUFACTURER AND WE HAVE OUR OWN WAREHOUSE FOR ALL KIND OF STEEL PRODUCTS. We can supply steel coils, steel pipes, roofing sheet, and container designed house. Our factory produces gi coils, ZAM coils, ppgi, and roofing sheet, and we also cooperate with stated-owned mill for other products: H beams, hrc and so on. Warm welcome to visit and contact us.