... : 1000-3000mm Four Wheel Sealing MachineFour-wheel double-end sealing machine is developed by our factory as a new generation equipment ... of produce barrels, It is worked by four wheels, rolling forming, high production efficiency, easy operation, the outcome ... aging treatment2,Table-board was produced by 635 (planer milling machine) board.3,The box adopt Q235 A3 steel, and made ...