Liu Jun An，Male，Born in November 1989，Han nationality, member of the Communist Party of China, Hu Bei Guangshui native, PhD in engineering, currently a lecturer at the College of Engineering, Jiangxi Agricultural University, specializing in the research and teaching of conservation tillage technology and rice production mechanization key technologies and equipment in southern rice-growing areas. He has hosted 5 national and provincial-level projects, including a National Natural Science Foundation project, a key research and development plan project of Jiangxi Province, a sub-topic of the "Challenge Board" key research and development plan project of Jiangxi Province, and a research, production, promotion and application integration project of the Jiangxi Provincial Department of Agriculture and Rural Affairs; has published 5 academic papers and obtained 9 patents, with 2 invention patents as the first inventor; has participated in the implementation of 2 technology transfer projects; and has won the second prize in the National Agricultural Engineering Discipline Young Teachers' Lecturing Competition.