... PC, ABS, MMA, PS, PE, PVC, Nylon, EV/AEV material etc. high power ultrasonic plastic welding machineCharacteristic:1.these ... valve.Applicable products:precision plastic, household productsThe plastic products such as plastic toys, stationery, packaging material, plastic parts, mobile phone, ... shell, battery shell, U disk, plastic watches, toys, toothpaste tubes, video & audio tape , ...