| About us |
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd is a plant professional geotechnical drilling factory specializing in the production,management,research,and sales of drilling tools.With more han 200 employees,20 specialists who have over twenty years experience in research and development of DTH drilling tools.
The products mainly include DTH hammer and bits with capacity of drilling holes from 3" to 32" in diameter,ODEX casing system and concentric casing system,reverse circulation hammers and bits and some other equipments.They enjoy great popularity in open-pit or underground mining,hydraulic engineering,oil and gas engineering,geotechnical or some other fields. |
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