XY-44A core drill diesel engine or electrical engine

chinacoal07core drilling machine , core drill,XY-44 core drillXY-44A core drill diesel engine or electrical engineXY-44A Mining Exploration Drilling Rig is a multi-purpose spindle diamond core drilling rig suitable for high-speed medium and deep borehole drilling in complex rock formation. Julong core drilling rigs covers all the main foundation and drilling technologies with a range of models whose characteristics, capability and performance find application in every