Hydraulic pumps,main valve and hydraulic motor are all from famous international brands,rotating head feeding,speed structure of oil tank lifting,long-range feeding system;drill head driven by double-motor and adopts enclosed hydraulic sysytem,2grades mechanical shift gears and hydraulic operated stepless shift gears;mast adopts hydraulic powered lift/down,wuth touchdown fuction.can be folded;hydraulic system adopts sensitive load control,track walks,with high-position operation platform and orifice operation platform;with hydraulic support device;with high supporter and low guider devices; orifice with hudraulic holder ,optional gauges monitoring system