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2 7 8 drill rod ऑनलाइन निर्माता

2 7 8 drill rod (510) ऑनलाइन निर्माता

गुणवत्ता API 5CT And 5B OCTG Casing And Tubing Drill Rod Pipe Joint For Oil Field कारखाना

API 5CT And 5B OCTG Casing And Tubing Drill Rod Pipe Joint For Oil Field

गुणवत्ता Friction Welding DTH Drill Pipe 2 3/8" 2 7/8" 3 1/2" API REG API IF Thread कारखाना

Friction Welding DTH Drill Pipe 2 3/8" 2 7/8" 3 1/2" API REG API IF Thread

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