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Gas drilling rig is portable, it has the characteristics of safety explosion-proof, high torque, high speed, good quality, small size, high efficiency, simple structure, easy maintenance and so on. This drill with high work efficiency, supporting good quality, low labor intensity of the workers, the footage cost less. So it is one of the essential equipment in the coal mining industry. The machine is mainly used in the coal drift, the roadway to help anchor bolts and bolts of the mixing and nut installation. Can also be used for the installation of rock bolts and nuts of the rock bolts.