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Used Zhongtuo ztq70 Drilling Rigs

  • Tunnel Mine Drilling Support Type

    Tunnel Mine Drilling Support Type Drilling Rig

    • Manufacturer: Zhongtuo
    • Drilling depth: 100 meter

    Description of Down hole drilling|rotary|diamond hammer With down-the-hole hammer drilling , the drill principle consists of a combination of percussion and rotation. Unlike the top hammer, here the hammer drill ...

    Xi'An, China