... .20KHz/2000W 2. Two ultrasonics weld unit with film rolling system Credit card readerMaterial: PlasticsApplication tecnique: WeldingMaterial 1: ABSMaterial 2: PCRequirements: Optical appearance ... lead-acid batteries, 3-inch floppy disk, U disk, SD card, CF card, USB connectors,Bluetooth. Toys,stationery: folder, album, folding boxes ...