crawler-type underground drilling jumbo

China 2 CBM Articulated Underground Rock Tunnel Mining Front Loader For Coal MineChina 2 CBM Underground Tunnel Mining Front Loader and Loaders mainly used to drill blast holes for tunneling constructions in mining, metallurgy, water and electricity, railway, highway engineering, etc. This series uses all hydraulic drive, with high efficiency and speed which can be 0.8-2 m/min. The advanced hydraulically controlled drilling system, which is safe and easy to operate,