Professor Liu Wanshun is a professor and doctoral supervisor of the School of Marine Life Sciences, Ocean University of China. Engaged in chitosan research and development for nearly 40 years, is the founder of chitosan industry, modified chitosan and its industrialization research leader.

Han Baoqin, a professor and doctoral supervisor of the School of Marine Life Sciences of Ocean University of China, a member of the Communist Party of China, graduated from the Department of Marine Biology of Ocean University of China, and served as the director of the Department of Marine Biological Engineering of the College of Marine Life Sciences. She is mainly engaged in basic research and product development research on molecular modification, functional activity and application of marine biomaterials in the field of medicine and health. She has undertaken and completed 18 national projects such as the National Key R&D Program, the 863 Program, the National Science and Technology Support Program, the National Science and Technology Major Project, and published more than 100 research papers.