... Card Reader Ultrasonic Plastic Welding Machine 1.20KHz/2000W 2. Two ultrasonics weld unit with film rolling system Credit card ... leaves no marks on the plastic even at high pressure. At the same time, a second actuator ... batteries, 3-inch floppy disk, U disk, SD card, CF card, USB connectors,Bluetooth. Toys,stationery: folder, album ... holder, coffee pot, cover and Civil speaker grille metal surface.