Credit Card Reader Ultrasonic Plastic Welding Machine 1.20KHz/2000W 2. Two ultrasonics weld unit with film rolling system Credit card readerMaterial: PlasticsApplication ... side, the housing is welded by an assembled horn with 12 tips. Due to the integrated foil transport, ... acid batteries, 3-inch floppy disk, U disk, SD card, CF card, USB connectors,Bluetooth. Toys,stationery: folder, album, folding ...