1. The brief introductions of QZ-2DS three phase core drilling rig QZ-2DS type portable sampling drill is used for geological industrial and civil buildings, bridges, railway, highway, hydro-power industry survey, geophysical exploration, advanced drilling and grouting hole drilling, embedded hole guiding, broken hole and so on. QZ-2DS drilling rig has the following features: compact structure, small volume, light weight, two gears, easy to move.
