High quality Petroleum oil well API rock drill tricone bit for oil ...
We are TCI Tricone Drill Bits manufacturer & provide High quality Petroleum oil well API rock drill tricone bit for oil well drilling - HEJIAN RLB DRILLING EQUIPMENT CO.,LTD. 1.Cutting structure this type TCI tricone bits: The durability of premium tungsten carbide insert is improved with new formulas and new techniques for insert bit. 2.Gauge structure this type TCI tricone bits: Multiple ...
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