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The large slope DF20-2BCD rock drill jumbo which is developed and produced by Nanchang Kama Co.,Ltd is mainly used to excavation for channel, tunneling and culvert constructions in mining, metallurgy, water and electricity, railway, highway, etc. This series use full hydraulic drive and the drilling speed can be 0.8-2 m/min. incorporates the auto stop pounding, anti-jamming and induction water slag function, which is safe and simple to operate. The small compact jumbo has a low center of gravity, great mobility, remarkable stability and great climbing ability. Crawler traveling, It can drilling in the 14° ramp. Electric and diesel engine traveling, it can walk and drilling in the event of power shortage. That greatly improves the construction efficiency and quality. This flexible hydraulic drilling jumbo can operate well on the working face, roof, lateral wall and backplane of the channel. The series cannot be drilling boring hole according to the size of the section, but also can conveniently drilling anchor.