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ISO 9001 2000 Certified Super Diamond Down Hole Hammer Bit Drilling Services

Changsha Chaojingang Machinery Manufacturing Co., Ltd.
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Changsha Chaojingang Machinery Manufacturing Co., Ltd.
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City: Changsha
Country/Region: China

ISO 9001 2000 Certified Super Diamond Down Hole Hammer Bit Drilling Services

ISO 9001 2000 Certified Super Diamond Down Hole Hammer Bit Drilling Services

CQL60 ( COP64 GOLD QL60) High air pressure DTH Hammer with foot valve. Advantages: 1. Valve air distribution. More reliable. 2.Simple design of the piston, long life. 3.More efficient energy transfer, ...

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