Impregnated diamond core bit manufacturer
  0086-731-84077805    

About Drilling

 
Hot-press Diamond Drill Bit Hardness and Rock Drill ability Grades Form
Hot-press Diamond Drill Bit Hardness and Rock Drill ability Grades Form... View More>>
Rotary speed selection chart
Rotary speed selection chart... View More>>
Influence factors of rotary speed
Influence factors of rotary speed... View More>>
Influence factors of flushing water
Influence factors of flushing water... View More>>
Influence factors of drilling pressure
Influence factors of drilling pressure... View More>>
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Contact Us

    Name: Perry

    Tel: 0086-731-84077805

    Fax: 0086-731-84072772

    Mobile: 0086 13808464920

    E-mail: [email protected]

    QQ: 2522716948

    WeChat: neptune1124

    Whatsapp: 0086 13808464920

    Add: 159# Li Xiang East Road, Changsha, Hunan, China. Post Code 410100

    facebook: https://www.facebook.com/csdrillingtools QQ: 2522716948 csdrillingtools@vip.126.com
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