Dr. Jianjun Li, Ph.D. in Engineering, Professor, Recipient of the State Council's Special Allowance, Foreign Academician of the Russian Academy of Engineering, Winner of the 5th "Outstanding Engineer" award, and Fellow of the Chemical Industry and Engineering Society of China. He is currently serving as Chief Scientist of Kingfa Sci & Tech Co., Ltd., Director of the National Key Laboratory for Efficient Development and High-Quality Utilization of Waste Plastics Resources, and Director of the National Advanced Polymer Materials Industry Innovation Center. He holds positions as Vice President of the China Light Industry Federation, President of the Biodegradable Resin Branch of the China Synthetic Resin Association, President of the Biodegradable Materials Branch of the China Biofermentation Industry Association, Director of the National Plastics Standardization Technical Committee's Modified Plastics Branch, and Editor-in-Chief of "Plastics Industry" magazine. Leading 6 national and ministerial-level major scientific research projects, he has received 3 second prizes for national scientific and technological progress, 10 provincial and ministerial-level awards, authored or co-authored 12 monographs, drafted 40 national standards, and been granted 35 invention patents.