Yunxuan Weng is currently the dean of the School of Chemistry and Materials Engineering at Beijing Technology and Business University. He is also the Secretary-General of the Degradable Plastics Committee of the China Plastic Association, the Secretary-General of the National Technical Committee for the Standardization of Bio-based Materials and Degradable Products, and the Examiner of the National Licence for Food-Related Products. He drafted several national standards for food direct-contact packaging materials, such as fresh-keeping film, plastic shopping bags, roll bags, disposable tableware, etc., as well as the industrial standards for postal packaging tape. His research interests include cellulose, polymers, and plastic.