Hongtao Li is an Associate Professor at the College of Materials Science and Engineering, Nanjing Tech University. He graduated from the School of Materials Science and Engineering, Xi'an University of Technology, and received his Ph.D in 2011. Then, he joined Nanjing Tech University in 2012 as a lecturer. From 2017 to 2018, he was a Visiting Scholar at the University of Zaragoza. He has long been engaged in research work on composite coating design, coating growth behavior, and microstructure performance characterization related to vacuum ion plating technology and light alloy micro-arc oxidation technology in the field of surface science and technology. He is involved in the development of micro-arc series mass production processes and has a wealth of experience in high-end equipment development and industrial application.