addresszhengzhou , china

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equipment drilling coal rigs sale

Model drilling rig KDJ-200 Top-head Drive Tunnel China Drilling Rig with mechanical mast is mainly used for drainage, support and penetration-proof in tunnel for hydro-power station, highway, railway and coal mining, also in treatment disaster of dangerous rock and hillside and water well drilling as well, It is mainly suitable for drilling hard rock with diamond and PDC bit, and DTH drilling ...

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