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1. Bit cones (segment) are spited from tricone bits and welded to build a new bit.
2. The advantage of this series of bits is that it can be made

Hejian ZhongCheng Drill Bit Manufacturing Co.,Ltd

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Products: TCI Tricone bit, Steel tooth bit, PDC bit, etc
Best Price
Perfect feedback system
Experienced quality control team

Hejian ZhongCheng Drill Bit Manufacturing Co.,Ltd

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