Steel Pipe, Carbon Steel Pipe, Seamless Steel Pipe manufacturer / supplier in China, offering Large Diameter Sch 40 API 5L Gr. X60 Psl2 Sawl Weld Steel Pipe ASME B 36.10, Comply with Nace Mr 01-75/ISO15156, Sawl Spiral Submerged-Arc ASTM A36 A52 A252 Spiral Welded Carbon Steel Tube Pipe for Natural Gas and Oil Water Transmission Engineering, ASTM A53 Black Painted Sawl SSAW Efw Smls High Pressure Resistance Hollow Section Carbon Steel Pipes and so on.
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