The plastics processed by the unit are: pp, pe, bopp, cpp, hdpe, ldpe, lldpe, pet, pa, epe, etc. , Plastic bags, woven bags, non-woven fabrics, nylon fibers, etc. After the material enters the compacting machine, it is pulverized and compacted, and the high-speed rotating compaction machine smashes the material into the single-screw extruder along the flow path. The temperature inside the compact machine is very high, the plastic is slightly melted, and the water evaporates. Single-screw extruder can be equipped with exhaust or no exhaust according to the characteristics of plastics, pelletizing method, screen changing device, etc.