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Rotary drilling rig drilling machine Kelly bar

Rotary drilling rig drilling machine Kelly bar

Beijing Jietaihongli Technology Co.,.Ltd

132 views

Uploaded on 2 years ago

Kelly bar is a very important part for rotary drilling rig, because its quality directly affects the work efficiency by transferring up pressure to the down drilling tool. Our patent product(No.ZL2012 2 0161611L0) is a mix type of interlocking Kelly bar and full interlocking Kelly bar and can be variety kinds of match style, Which can be perfectly adapted to complicated geological conditions.