... MMA, PS, PE, PVC, Nylon, EV/AEV material etc. intelligent computer type ultrasonic welding machine Scope of Products: 1.Small ... welding, lingerie straps.2.The 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 ...