Qideli DHD340 HD45A Cop44 DTH Hammer High-Speed for Rock Drilling
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WUHAN KINGDRILLING DIAMOND CO., LTD.Thread Button Bit R32 T38 T45 T51 Standard or Retrac Bit
Changsha Tianhe Drilling Tools and Machinery Co., Ltd.Pr54 Reverse Circulation (RC) Bit
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Quzhou Refine Machinery Equipment Co., Ltd.