Dan Weihua, Professor, Ph.D., doctoral supervisor, a specialist who enjoy the State Council Special Allowance, Academic Leader of Sichuan Province, Outstanding Contributions Expert of Sichuan Province, winner of the Second prize of National Science and Technology Progress. He has won 4 national, provincial and ministerial prizes, published over 200 papers and 6 monographs and textbooks, and been authorized 11 Chinese patents. Research interests: ecological leather, biomass chemistry and engineering, biomedical materials and leather trade.