Shanghai RiZhen Industrial Co., Ltd. was established in Shanghai in 1999, is a professional distributor of various integrity of metal materials, the main agent of Shanghai labor Steel Factory, Zhejiang Jinzhou Steel Plant, the second rolling mill in Tianjin, Tangshan, Maanshan Iron and Steel, Anshan Iron and Steel, Baosteel and other plant products, sales of all kinds of galvanized pipe, rebar, wire rod, round bar, lined with plastic pipe, welded pipe, seamless pipe, square tube, angle steel, ...