... Ultrasonic plastic welding machine use for PC, ABS, MMA, PS, PE, PVC, Nylon, EV/AEV material etc. high power ultrasonic ... protection device, time accurate to within 1/100 seconds, quality stability.8.the split design: elements are concentrated in ... plastic toys, stationery, packaging material, plastic parts, mobile phone, shell, battery shell, U disk, plastic watches, toys, toothpaste tubes, video ...