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high performance hexagonal drill rod
Selling leads
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... with hydraulic drill rods (pneumatic drill rods) and hydraulic rock drills (or pneumatic rock drills) in top hammer drilling. Button bits rock ...
2025-06-21 00:36:41
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... good energy transmission, fast drilling speed and low air consumption. The quality of raw materials is good, the processing technology is advanced...
2025-06-21 00:38:16
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