The slitting line is also called slitting unit, slitting machine, strip cutting machine, and scissors. It is mainly used for slitting and cutting coils such as tinplate, galvanized iron, silicon steel sheet, cold-rolled steel strip, stainless steel strip, aluminum strip, and steel strip. It cuts metal coils into strips of various widths required, and then harvests the strips into small rolls for the next process. It is a necessary equipment for precision cutting of transformers, motor industries and other metal strips.