Guo Junde, Doctor of Engineering, Postdoctoral Fellow, Associate Professor, Doctoral Supervisor, Shaanxi Province Young and Middle aged Science and Technology Innovation Leading Talent (2024), Xi'an Science and Technology Expert. Mainly engaged in research on tribology and surface engineering of high-end equipment support systems, surface design and manufacturing of high-performance mechanical key components. Currently, more than 80 academic papers have been published, including more than 30 SCI papers as the first author/corresponding author. The research results have received widespread attention and citation evaluation from domestic and foreign peers in the fields of scientific research and engineering.