... plastic welding machine use for PC, ABS, MMA, PS, PE, PVC, Nylon, EV/AEV material etc. high power ultrasonic plastic welding machineCharacteristic ... additional over voltage and over supply guarantee system, can reduce fault, security.6.a large workpiece welding processing machine, fast ... device, time accurate to within 1/100 seconds, quality stability.8.the split design: elements are concentrated in ...