MQJ series Rotary Roller Die-cutting Machine is suitable to die-cut all kinds of corrugated cardboards and various different packages. It belongs to the third generation rotary roller die-cutting machine which is made in China and has the features such as high efficiency, energy-saving and safety. The machine is equipped with imported polyurethane carpet sets, which can be used more than 10 million times. The self-compensation of the linear speed can help ensure to die-cut the needed cardboard after the polyurethane carpet sets are worn down. Soft roller repairs the color of the machine can make the service life of the polyurethane carpet sets extended. The feeding part adopts linked self-locking system, which makes it easier operation.