... MMA, PS, PE, PVC, Nylon, EV/AEV material etc. ultrasonic plastic welding machine for PP materialCharacteristic:1.these ... 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 ,cassettes, inkjet cartridges, and computer floppy disks, etc.Technical ...