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Cangzhou Great Drill Bits Co Ltd founded in 2010 speciallized in processing research of steel and diamond materials is involved in the R D design production and sales of petroleum equipment up to now we have being the top material supplier of CNPC SINOPEC CNOOC We have a 40 000 m2 of production based in Hebei Hejian provincial development zone and several international advanced production lines featured in turning milling compound five axis linkage special for high performance diamond processing with the annual production capacity of more than 10 000 pcs We provide the drill bits from 3 to 26 of different series such as Matrix body series Steel body series Coring series Bi center series...

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PDC Bits

Hybrid Drill Bits

Tricone Bits

Roller Cone Cutters

PDC Hole Opener

Crocodile PDC Reamer

Rock Reamer

Core Barrel

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