Steel Pipe, Stainless Steel, Steel Plate manufacturer / supplier in China, offering 30 Inch Sch40 A53 LSAW Zinc Coated Carbon Steel Pipe, API 5L Gr. B ERW Pipe 273.1mm*6mm*6000mm Galvanized Pipes, ASTM (ASME) SA / A312 / M Tp904L Stainless Seamless Steel Pipe and so on.