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PDC Bits for Oil&Gas

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Shaanxi Hainaisen Petroleum Technology Co.,Ltd

Country/Region:china

Contact Person:MrLiu

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Name: Impregnated PDC Oil Drill Bit Steel Body 22225mm Coal Mining
Brand: Hainaisen
Price: 1 USD

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8-3/4in 5 Blades Tricone Drill Bit Stone Drill Bit Manufacturers 1. According to the characteristics of different formation, the crown profile is ...

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