... products such as plastic toys, stationery, packaging material, plastic parts, mobile phone, shell, battery shell, U disk, plastic ... tubes, video & audio tape ,cassettes, inkjet cartridges, and computer floppy disks, etc.Technical parameter: ModelXH-2018Frequency20KHZMachine power1800WPower supplyAC220VWeight115KGWelding area175mmMachine ... : Our products: Ultrasonic welding machine for plastic parts