It is economical and efficient, mainly used in media and small-diameter pile civil construction;
  Diesel engine has load induction and output power auto-control; the fuel consumption drops 5-10%;
  5-level anti-vibration technology absorbs drilling vibrational frequency all-directionally to guarantee high stability;
  The special lubricating system makes sure that it can work under high-temperature environment;
  The removable and symmetrical structure design doubles the service life of rotary drive key;
  Crowd cylinder has two operation modes-normal lifting and fast lifting to improve push efficiency; 
  Optional chassis incline alarm enhances construction safety;
  Mast verticality auto-adjusting technology promises the pile accuracy.