... PE, PVC, Nylon, EV/AEV material etc. intelligent computer type ultrasonic welding machine Scope of Products: 1.Small but high ... , Yi Zhencrushed products. Like the SD card, pacifier, U disk and earphone plug. the auricular microphone shell. such as ... stationery, packaging material, plastic parts, mobile phone, shell, battery shell, U disk, plastic watches, toys, toothpaste tubes, video & audio tape ...