Shijiangzhuang topway trading company is one of the leading exporters in China which specializes in producing and exporting all kinds of steel and iron products. Such as seamless and weld pipes, butt welding and threading pipe fittings, grooved fittings , flanges, valves, structural materials, castings and hardware products. As per the international standard, the materials of all of our exporting products can be divided as follows: carbon steel, stainless steel, cast iron, ductile iron, malleable iron, and etc.
