... , 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 disk and earphone ... microphone shell. such as welding, lingerie straps.2.The plastic products such as plastic toys, stationery, packaging material, plastic parts, ...