... BZC200CA Truck mounted, rotary type IAO9001:2008 200M water well drilling machine BINZA brandBZC200CA200M depth, diameter:500MMTruck mounted, rotary ... larger torque of the turntable, it is mainly used for water well, construction, national defense building foundation, geological exploration, ... . Dear freind, if you are interested in our water well drilling rigs, and want to know more information ...