Weiling Guo, Associate Researcher at Key Laboratory of National Defense Science and Technology for Equipment Remanufacturing Technology, Army Armored Corps College. Currently, she is mainly engaged in the research of tribology, cold spraying technology and surface strengthening modification coating of equipment under extreme working conditions. She has been in charge of several National Natural Science Foundation of China and military projects, and has published many high-impact-factor papers, including Nano Letters, ACS Applied Materials & Interfaces, Journal of Materials Science & Technology, etc.