Liu Yanfa is a teacher in the mechanical specialty of Nan'an Industrial School. In 2018, he obtained a master's degree in mechanical engineering from Fuzhou University. He has a senior middle school teacher's certificate, a secondary vocational school lecturer's title, a senior electrician, a senior welder, a special certificate for industrial robot operation and teaching, and has obtained qualification certificates for electricians, welders, and industrial robot operation and teaching evaluators. As the first batch of entrepreneurship tutors for college and technical secondary school graduates in Nan'an City, he has held many social posts@ Nan'an Federation of Trade Unions