... 2. Two ultrasonics weld unit with film rolling system Credit card readerMaterial: PlasticsApplication tecnique: WeldingMaterial 1: ABSMaterial 2: PCRequirements ... without replacement increases, you can weld various plastics. 4. control time accuracy up to 0.001 seconds. 5, three ... acid batteries, 3-inch floppy disk, U disk, SD card, CF card, USB connectors,Bluetooth. Toys,stationery: folder, album, ...