1.certificated with API and ISO ,
2.The only manufacture in Hejian Cangzhou .
3.Be professional in manufacture diamond pdc bit

We are Cangzhou Great Drill Co.,LTD ,professional in manufacture matrix body diamond pdc bits and steel body diamond pdc bits .diamond core bit ,Natural diamond core bit ,and impregnated core bit.Our products strictly under ISO 9001:2008 according to API .

  Feature : Improved support and retention

  Advantage  : Manage the magnitude cutter loading and bit torque.

  Benefit  : Improved bit durability and directional responsiveness.

  Advantage:Higher nozzle counts and or fixed ports to best serve cleaning ,cooling and cutting evacuation requirements with available hydraulic flows.allow for higher flow rates with minimal increase in pump pressure.

    Benefit :Optimized ROP and bit life ; Longer drilling intervals without need for tripping.      

The certificate of pdc bits and diamond core bit                                 

Feature: Diamonds are impregnated in the matrix behind the PDC cutters.

Benefit : Increased footage drilled in abrasive applications.

Feature : Larger than standard TFA.