Prof. Dr. Qingchun Yu is currently a doctoral supervisor at the Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology. He received a B.S. in Nonferrous Metallurgy and an M.S. in Metallurgical Engineering from Northeastern University in 1994 and 2001, respectively. In 2007, he obtained a Ph.D. in Metallurgical Physical Chemistry from the University of Science and Technology Beijing. He previously worked at Baotou Steel Rare-Earth Group One, focusing on process development and research in the field of rare earth applications. His main research interests include vacuum metallurgy for powder material preparation, comprehensive utilization of secondary resources, and thermochemical hydrogen production. He has been actively involved in applied basic research and engineering studies in the fields of vacuum metallurgy, process intensification, and the development of new short-process technologies.