Category: DTH drill bits and hammers
Our company has been cooperating with “Changsha Tianhe Drilling and Machinery” Co.,Ltd since 2012 and supplying quality drilling stuffs into Mongolian drilling companies. “Changsha Tianhe Drilling and Machinery” is established in 2002, and located in Hanpu Scientific and Educational Park, Yuelu section, Changsha city. The company consists of a plant and professional geotechnical drilling
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