• kaiqiudrilling
    kaiqiudrilling created new event
    The Importance Of Dth Hammer Driver
    The Importance Of Dth Hammer Driver
    DTH Bitis a large self-locking wrench used to rotate pipes and in some cases apply the final tightening torque. There are a variety of rig tongs available, depending on the application they will...
    Jul 22
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