1.The brief introductions of SH30-2A exploration drilling rig SH30-2A engineering investigation rig is modified and designed on the basis of SH30 drilling rig. The drilling machine can be used for the covering layer of fourth Century, such as soil, clay, sand and gravel, and all kinds of mixed soil and fill. It is mainly used in the exploration of gold sand, industrial buildings and civil buildings as well as highway, railway, bridge and other engineering geological prospecting work.
