... Water Well Drilling Machine 1,Full-hydraulic chuck 2,Widely used in exploration 3,Drilling rod diameter 50 HGY-300 Water Well Drilling MachineIt is widely used in ... the construction of the projects e.g. prospecting, railway, road, port, bridge, water conservancy ... model395K2( 19.8KW) Electromotor modelY180L-4( 22KW) HGY-300 Water Well Drilling Machine