... diameter: according to customeraas request 4. L: 1000-3000mm Four Wheel Sealing MachineFour-wheel double-end sealing machine is developed ... new generation equipment of produce barrels, It is worked by four wheels, rolling forming, high production efficiency, easy operation, ... 1000mm-3500mm adjustable8,Linear slide rail: HIM30AL Two Taiwan Four-wheel sealing machine for inner tank of solar Water heater ...