ZhongYi Rock Drilling Tools

ZhongYi Rock Drillin(1)

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manufacturing rock drilling tools
Specification: As per reqest
Detail: We produce the following rock drilling tools: 1.Integral drill steels; 2.Cross bits; 3.Button bits; 4.Extension rods; 5.MF-drilling rods; 6.Coupling leeves; 7.Adapter couplings; 8.down-the hole drill bits;

rock drilling tools
Specification: As per customer's request
Detail: CUG ZHONGYI TECHNOLOGY DEVELOPMENT CO,.LTD, supported by China University of Geosciences, is a professional rock drilling tool R&D and manufacturing co***ny in China. Our main products are various ranges of integral drill ste...


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