The longitudinal cutting line of the plate is mainly used in the cutting of metallic materials, such as cold rolled steel coils, stainless steel, color lacquered battery, tinplate. And then cut into the different action widths of the bar. Finally, the line of longitudinal cut of the rollers of the action of the bar in the small rollers to offer the following procedure. This machine is the necessary equipment for precision cutting many industries, including the processing industry, the electric machine industry and the metal travel industry. It is mainly used in transformers, electrical machines, household appliances, automobiles, building materials, packaging industry and so on