... Drilling Power 2, Quick Drilling Speed 3,Imported Engine 4,Low Oil Consumption Rotary Drilling Rig ZR160ZR series rotary drilling rig is ... winding drums with broken line grooves and the special rope presser,to reduce chaos,skipping and mutual extrusion of rope,and ... turbo charger engine with such features as big power,low fuel consumption and low noise. CabThe cab is safe and comfortable,easy ...