Steel Pipes, Flange, Pipe Spool manufacturer / supplier in China, offering Large Diameter 3PE Coated Anti Corrosion Water Steel Pipe, Sch10 Sch40 Sch80 Stainless Steel SS304 SS316 Standard DIN 2632 Pn10 Weld Neck Pipe Flange, High Pressure Good Quality Tube Fittings Stainless Steel Pipe Fitting Tee for Oil and Gas and so on.