Other Oil Field Equipments Drill Pipe Oil and Gas Well Casing Tube API 5CT J55, K55, N80q, L80, T95, P110, Q125, 13cr OCTG Casing Tubing and Drill Pipe with Btc, Nue, Eue, Premium/R3
Stainless Steel Pipes 碳钢管 API 5L 管道/ X70n / 铸造 J55 / SSAW / ERW /LSAW 管 / 焊接 / 无缝空心型材 / 螺旋直缝焊管 15mm 至 3000mm