... , EV/AEV material etc. ultrasonic plastic welding machine for PP materialCharacteristic:1.these machines are the original Taiwan circuit, output ... plastic watches, toys, toothpaste tubes, video & audio tape ,cassettes, inkjet cartridges, and computer floppy disks, etc.Technical parameter: ModelXH-2038Frequency20KHZMachine ... *600*1750mmProduct design: ultrasonic plastic welding machine for PP material