Liu Fei, male, Han nationality, born in September 1984, Zhuozhi County, Inner Mongolia. Doctor of engineering, professor, doctoral supervisor; executive director of the Chinese Society for Agricultural Machinery; vice president of the Inner Mongolia Agricultural Machinery Society, China Agricultural Machinery Society of Tillage Machinery Branch, China Agricultural Machinery Society of Animal Husbandry Machinery Branch, the Inner Mongolia Agricultural and Animal Husbandry Machinery Association, and member of the expert committee.