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Changsha Tianhe Drilling Tools and Machinery Co., Ltd
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About Us
Tianhe is a specialized company to offer solutions in drilling ,also a plant specializing in production,management,research and sales of drilling tools.The product mainly include DTH hammers,bits and rock drillng accessories
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Tioanhe Odex Overburden Casing System is an eccentric retrievvable drilling ...
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Tianhe' DTH hammers and bits with capability of drilling hole from 3' to ...
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The bits shank can be designed according to different hammers,such as DHD ...
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