Jiajun Wu is a lecturer and master’s tutor at the College of Engineering, Shantou University, Guangdong, China. He is Shantou’s high-level talent (category B), a senior member of the Chinese Mechanical Engineering Society, and a supervisor of the Shantou Mechanical Engineering Society. He graduated from Beijing University of Chemical Technology in 2016 and received  PhD in Engineering from Mechanical Manufacturing and Automation, Shenyang Institute of Automation, Chinese Academy of Sciences in 2021. In October 2021, he joined the Mechanical Engineering Department of Shantou University College of Engineering, teaching courses such as “Mechanical Design”, “3D Printing and Special Processing”, “Mechanical Design Course Design” and “Introduction to Biology”. His research interests include laser shock strengthening, laser cleaning technology, metal additive manufacturing, surface engineering machine learning, etc.