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Heilongjiang North Shuangjia Drilling Tools Co., Ltd
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Heilongjiang North Shuangjia Drilling Tools Co., Ltd

City: Mudanjiang

Province/State:Heilongjiang

Tel:86-86-13804827529

Contact Person:
Sally
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Kelly valve

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Kelly valve

Kelly cock valve is manually operated ball valve in drill stem circulatory system. It is divided into upper Kelly valve and lower Kelly valve. The ...
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Product Tags: IBOP   kelly valve   kelly cock  
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