... machine use for PC, ABS, MMA, PS, PE, PVC, Nylon, EV/AEV material etc. high power ultrasonic plastic welding machineCharacteristic:1 ... can reduce fault, security.6.a large workpiece welding processing machine, fast speed, good efficiency, output foot.7.using the ... automatic system, overload protection device, time accurate to within 1/100 seconds, quality stability.8.the split design: elements ...