Plastic recycling is an important application of materials science and engineering. It is used to recover valuable materials from plastic waste, reduce the production of new plastics, and reduce the negative environmental impacts associated with the production and use of plastics. Plastic recycling equipment plays a vital role in this process. Plastic shredder and crusher can evenly reduce the size of waste plastics. Plastic washing line is used for cleaning dirty materials. Plastic pelletizing machine can turn waste plastics into plastic particles. Investing in suitable recycling equipment, enterprises can efficiently and stably recycle waste plastics, thereby creating higher economic value.