2014 China Innovative Red Top-head 2000mm Hole Dia GQ-20 Big Pile Hole Underground Drill Rigs For Sa

Chongqing Exploration Machinery Factory, was a middle-size backbone enterprise of original Ministry of Geology and Mineral Resources. Nowadays, it is specialized by China Mechanical Group and China Geo-equipment Group in producing XY series of core drilling machine, MG series of anchor drilling machine, GQ series of engineering drilling machine, KDY series of tunnel drilling machine, ZLJ series of drilling machine for mining and other hydraulic components. The enterprise i...