Professor Xu Zhongbin, PhD tutor of Zhejiang University and specially-invited expert of Qianjiang visited the School of Engineering, Zhejiang University City College on December 28, 2020 and gave an academic report entitled "Injection Molding and Extrusion Process Equipment and Industrialization of High-End Fine Structural Plastic Products". All the faculty members of the Department of Mechanics, School of Engineering attended the symposium.