Yi Liu is an associate professor at the School of Engineering, Dali University, China. He graduated in Mechanical and Electrical Engineering from Xihua University in 1997, obtained his M.S. at Sichuan University in 2000, and received his Ph.D. from The Hong Kong Polytechnic University in 2006. His research direction includes 3D Printing Additive Manufacturing Direction, Biomedical Materials, and Intelligent new material processing and application.