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Hebei Crossing Drill Bit Manufacture CO.,LTD
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Other Tools(6)
Cutter & Tongs(1)
Other Industrial Supplies(1)
9 1/2”6 blades PDC bit
8 1/2” roller cone
12 1/4”7 blades PDC bit
8 3/4”5 blades PDC bit
12 1/4” IADC 127 tricone drilling bit
hole opener