... , MMA, PS, PE, PVC, Nylon, EV/AEV material etc. intelligent computer type ultrasonic welding machine Scope of Products: 1.Small but ... high density requirement is strict, built-in IC, chip, Yi Zhencrushed products. Like the SD card, pacifier, U ... plastic products such as plastic toys, stationery, packaging material, plastic parts, mobile phone, shell, battery shell, U disk, plastic watches, ...