This pelletizing unit is mainly recycling and pelletizing PE, PP film. The extruder uses forced feeding device. The extruder uses inverter to adjust speed, and auto control temperature. The performance of this unit is stable and the plasticization is even. It has characteristics of high automation, high productivity etc. The extruder is with degassing structure, the final grain is even and compact, the surface is smooth and beautiful. The mould head is with hydraulic elevator screen changer, the cooling water bath is made of stainless steel, anti-crossion and beautiful apperance.