Dr. Chun-Wei Liu received his Ph.D. degrees in Department of Power Mechanical Engineering from NTHU, Taiwan, in 2015. From 2016 to 2019, he was a researcher at the Industrial Technology Research Institute. Since 2019, he has been an assistant professor in Department of Power Mechanical Engineering at National Tsing Hua University. His research interests are in brittle material grinding/polishing processes and ultra-precision machining.