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Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
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PDC bits, Roller Cone bits, PDC reamers, Hole openers. Drill bit supplier from China

PDC bits, Roller Cone bits, PDC reamers, Hole openers. Drill bit supplier from China

Recent Products
  • Roller Bit Core Barrel

    Roller Bit Core Barrel

    Core barrel with roller bit is used in very strong rock formations(compressive strength > 100Mpa)
  • Bi-center Bit

    Bi-center Bit

    This type of Bi-center bit mainly used for medium to medium hard compressive and abrasive formation.
  • Rock Reamer

    Rock Reamer

    GREAT DRILL customized Rock reamers size from 10'' to 72''.
  • Drag Bit

    Drag Bit

    Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples.
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