1. Plastic vibration friction welding machine 
2. Quick welding of bigger and complicated plastic parts; 
3. Nice appearance after welding; 
4.Controlled electromagnetic drive system; 
5.Weld in time, distance or energy mode; 
6.Patented upper tool auto-tune control ;
7.Colour touch-panel operator interface ;
8.Closed loop hydraulic pressure control;

http://www.emmawelder.com/product/Vibration-welding-machine.html