... 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 about it ...