Stainless Steel, Carbon Steel, Galvanized Product manufacturer / supplier in China, offering DN300 DN600 ASTM A36 Pipe/Gas/Oil Pipeline Large Diameter Hot Rolled Spiral Welded Round Carbon Steel Pipe, DN50 Stainless Steel Tube Chs Circular Stainless Steel Pipe 304 316 316L Seamless Steel Tube Finished ERW Piping SUS304, Hot Dipped Galvanised Sheet 3mm Gi Checkered Plate Coil Electrogalvanized Sheet 4ftx8FT Gi Zinc Coil and so on.