Prof. Chaozhong Qin is a doctoral supervisor at Chongqing University. His research areas include: digital core analysis, multi-scale seepage mechanics, reactive flow and transmission in porous media based on micro-nano chips, whose applications include unconventional oil and gas extraction, fuel cells, carbon dioxide geological storage and underground energy storage. He has maintained close communication and cooperation with Utrecht University, Eindhoven University of Technology, Swiss Federal Institute of Technology in Zurich, University of Arizona.