vehicle-mounted Water Well Drilling Main features BZC-350A directional ... rig is designed by our engineers, it adopts truck mounted and is a rotary drilling rig. The truck chassis ... , gearbox, sets of windlass, mud pump, sewage pump,mast are setup on the chassis.The rig has directional and ... driving of rig is mechanical, the four jacks and mast are hydraulic operated. Distribute box, sewage pump, master ...