The rotary blasthole drilling rig is equipped with an adjustable hydraulic system, whose valve and pump from China’s famous manufacturers are of high quality and fuel efficiency. The easy joystick control of this drilling machine requires less effort of the operator in real work conditions. Core parts of the rotary blasthole drilling rig are made of reinforced, aluminium alloy materials, which ensure long service life. The adjustable rotary feeding system guarantee better productivity in drilling work. Additionally , this kind of rotary blasthole drilling rig features a piston motor in feeding system which improves the reliability of the drilling machine.