With the use of PLC Controller (Programmable Logic Controller), Touch Screen, man-machine conversation will be realized.Automatic Negative Pressure Feeder, Precision Electronic Weighing Scale and Feeding Level Switch make the automatic feeding and precise measuring come true. With the use of Automatic Control Device for temperature and pressure inside the drum, and the Automatic Photoelectric Level Control Device, uniformity of the density and light-weight of the foaming beads will be to realized.