Changsha Chaojingang machinery manufacturing CO., Ltd

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Changsha Chaojingang machinery manufacturing CO., Ltd
City:changsha
Province/State:hunan
Country/Region:china
Contact Person:MsXie
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67kg Alloy Steel DTH Drill Bits For Rock Mining And Engineering CD85-280

67kg Alloy Steel DTH Drill Bits For Rock Mining And Engineering CD85-280
  • 67kg Alloy Steel DTH Drill Bits For Rock Mining And Engineering CD85-280
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67kg Alloy Steel DTH Drill Bits For Rock Mining And Engineering CD85-280 Description 1. Long life span: the wear-resist of tungsten carbides is 10-20 ...
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