PE/PP double-step(double ranks/stages) water-ring granulating/pelletizing line Features: 1) Extruder/Double-step water-ring granulating system is mainly used to recycle and reprocess PE, PP waste plastic. 2) freely assembling the screw component, according to the raw materials. 3) Using the suitable die head to palletizing, such as strand cutting, water-ring cutting, under-water cutting and hot face cutting.