... 1-7barWelding area200mm250mm280mm200mm250mm280mm300mm320mmSize 2250*850*800Net weight110kg125kg135kg101kg125kg135kg340kg350kgApplication fields ( Ultrasonic Plastic welder machine with work table welding device ) Widely used in the automotive industry ... card, CF card, USB connectors,Bluetooth. Toys,stationery: folder, album, folding boxes,PP hollow board,pen loops,ink cartridges, toner cartridges ...