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Beijing Olymtech Developmemt Co. ,Ltd
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Drill String Kelly

Beijing Olymtech Developmemt Co. ,Ltd


Tel:6221 21282145

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Drill String Kelly

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Drill String Kelly

Kelly is main driver of the whole drill string. It transmits torsional energy from the rotary table through the drill string to the bit at the bottom ...
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Product Tags: drill string inspection   api connections drill pipe   drill pipe protector  
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