This machine is suitable for rewinding and slitting of plastic films and aluminium-plate films.It has checking function for uuqualified materical.Its mainelectrical controlling system adopts center control computer(PLC),man-machine interface operation,regulating speed with vector frequency conversion.It’s tension is controlled automatically and winding adopts center-winding way.At the same time,it has the functions as automatic rectifying,automatic metering,and automatic speed up and down etc.This machine has high automatization and convenient to operate.It’s the perfect wquipment internal for quality-checking and rewinding at the present time.