Hebei zhankui drilling equipment c
We Provide: Tricone Bits, Drill Bits, Drill Pipe, PDC Bits,rock bits ,button bits ,drilling equipment ,diamond equipment ,drill collar ,cone bits ,steel tooth bits ,surplus stabilizer, Mude Pump
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12-1/4"matrix body 1307 pdc bits-
127 steel tooth tricone bits
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17-1/2" matrix body pdc bit for oil well
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437 tci tricone bits
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517 tci tricone bits
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Pdc bit/matrix body pdc bit/steel body pdc bit
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