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