SE series two stage single screw is suitable for recycling granulation of waste plastics with high moisture content (about 10% moisture), dirty and light, with stable and uniform discharge and high output. It can produce PE, PP, ABS, EPS, EPP, PC, PA, PS and other materials. The upper and lower order hosts are equipped with large hydraulic net changer, which can effectively filter impurities, change the net without stopping, greatly improve the output, and the finished particles are strong and full, strong gloss. Two-stage single screw has the characteristics of high output and low energy consumption, which increases the effect of plasticizing waste plastics.