Best Price deep water well rig drilling machine portable/water well drilling rig from china(200m,152-254mm hole)
200m water well drilling rig
DR200 type crawler multifunctional water well drilling rig is a new type, high efficiency, energy saving, multi-function hydraulic drilling machine, mainly used for drilling Wells, monitoring well bore, geothermal air conditioning, water and electricity cofferdam grouting, the dam seepage grouting hole, foundation reinforcement grouting hole, open-pit mining,[...]