Zhengxin Li is the deputy director of the Jiusan Society Committee and the vice dean of the School of Materials Science and Engineering at the Henan University of Technology. From 1985 to 2003, he worked as an assistant teacher at Zhengzhou Institute of Technology, engaged in teaching and research on abrasives, grinding, CAD, etc. From 2004 to 2014, he served as a professor at Henan University of Technology, engaged in teaching and research on artificial diamonds, CBN, superhard abrasives, grinding, etc. He is also a member of the National Abrasives and Grinding Tools Standardization Committee, a senior member of the Chinese Society of Mechanical Engineers, the executive vice president of the Superhard Materials Branch of the Henan Society of Mechanical Engineers, a member of the Expert Committee of the China Superhard Materials Industry Association, a member of the Expert Committee of the China Abrasives and Grinding Tools Industry, an academic and technical leader of Henan universities, and an editorial board member of the "Superhard Materials Engineering" magazine. His research directions include abrasives and grinding tools, superhard materials and products, and the application of computers in materials science and engineering.