Steel Pipes OCTG ERW and Seamless Steel Tube Tubing Oil, Casing&Drilling Pipe API 5CT/J55/K55/N80/L80/T95, /P110/Q125 for Oil Drilling, Well, Pumping and Transmission
Steel Pipes ASTM A106/API 5L Gr. B Sch40 Sch80 ERW SSAW LSAW Welded/Seamless Round/Square/Rectangular Carbon Steel Pipe Tube
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