... drilling rigs 400M depth, 200-1500mm dia Brand name: BINZA ISO9001:2008 BZC400BCA drilling rig is a truck mounted rotary drilling ... the rig can carry out down-the-hole hammer drilling with USA Sullair, Japan PDSKIOOS, Sweden Atlas, China ... larger torque of the turntable and is mainly used for water well in industry and agriculture, national defense ... at home and abroad. Rotary water well drilling rigs