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smooth operation underground drill bit
Selling leads
We are a professional producer and major manufacturer for high air pressure rock drilling tools, whom are capable to design and manufacture according ...
2025-08-03 00:21:02
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NUMA100/CN100 High air pressure DTH Hammer with foot valve. Advantages: 1.Valve air distribution. More reliable. 2.Simple design of the piston, long ...
2025-08-03 00:21:02
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