Ranking Bit is specialized in manufacturing high quality Roller, tricone, pdc and hole opener since 2005, mainly for Horizontal Directional Drilling (HDD), Piling, Water, Geothermal, mining and Environmental
To achieve the goal of "38% cost saving per meter!!" Ranking uses the best raw material and has been passed the SGS Approval, proving the standardization and quality of Drilling equipments.
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