BF300 type rig was developed by our factory on the plains and a portable drill rig, not adapt to the hard rock drill, the gravel and pebbles, wind fossils with hardness of stone like red brick drill is ideal.The drilling machine is mainly used for the development of underground water resources, including domestic water, agricultural water and industrial water, etc.Drilling machine structure: diesel engine, clutch, drilling tool, frame, turntable, drive shaft, etc.