1.Continuous mechanical feeding materials and carton, and working of each function part are in harmony, stable and reliable. 2.When material do not reach correct position, the pusher has an alarm and half facility for that, in order to ensure good quality of carton packaging and safety in operation effectively. 3.Constantly moving carton-opening mechanism and pulling carton-opening mechanism are more stable and reliable. 4.Vibrating material categorizing and feeding mechanism is stable and reliable. 5.Half facility for air pressure and vacuum protection, when caster opened, the halt facility will be checked automatically for operating safety of the machine. 6.It is easy, convenient and quick to change and adjust product size by hand wheel on instrument panel. 7.Variable frequency speed regulation, PLC automatic control, Operating on the touch screen, words and numeric display, easy to operate, stable coefficients in operation. 8.Overload protection for principal driving, indication of failure diagnosis, and automatic halt of failure.