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Cangzhou Great Drill Bits Co.,Ltd.
Cangzhou Great Drill Bits Co.,Ltd.
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Recent Products
  • 90 ° U-shaped Roller Bit

    90 ° U-shaped Roller Bit

    Overview Roller bitGREAT has customized manufacture several types of roller bit . It is including 90 ° U-shaped Roller Bit, 120 ° U-shaped Roller Bit and Starry Sky Roller Bit.The 90 ° U-shaped Rol...
  • Downhole Motor

    Downhole Motor

    GREAT DRILL BITS can be customized and supply various sizes , type downhole motor according to the drilling demand.
  • Bi-center Bit

    Bi-center Bit

    This type of Bi-center bit mainly used for medium to medium hard compressive and abrasive formation.
  • Steel Tooth Bit

    Steel Tooth Bit

    Steel tooth drills are suitable for extremely soft formations with low compressive strength and high drillability such as clay, mudstone, chalk, etc..