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Beijing Metalwork Petroleum Technology Co., Ltd
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square kelly,drilling tools,2-1/2" - 6",4145H

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Beijing Metalwork Petroleum Technology Co., Ltd
Beijing Metalwork Petroleum Technology Co., Ltd
City: Beijing
Province/State: Beijing
Tel: 86-10-52891298
Contact Person: sylvia

square kelly,drilling tools,2-1/2" - 6",4145H

square kelly,drilling tools,2-1/2" - 6",4145H

Square kelly Kelly pipe is divided into square kelly and hexagonal kelly. Kelly is located at the top of the drill string, it can transfer torque and bear the weight of the drill string. We can ...

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square kelly

      

kelly bushing

      

kelly pipe

      
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