The National Academic Annual Conference on Plastic Engineering is a large-scale comprehensive national academic event initiated by the Plastic Engineering Branch of the Chinese Mechanical Engineering Society. It is held every two years, aiming to provide a high-level academic exchange platform for scientific and technological workers and industry professionals in the field of plastic engineering and research, and to share the latest research achievements of the plastic engineering community in the year. Enhance academic exchanges and friendship among the academic, industrial and government sectors of plastic engineering at home and abroad, and promote the independent and innovative development of the plastic engineering field in China.