Top bevel gear expert He is a famous gear expert at home and abroad. He used to be the chief representative of the International Gear Strength Organization (ISO) in China, the academic member of the American Gear Manufacturers Association (AGMA) in China, the member of the China Gear Professional Committee, the director of the Institution and Invention Society of the China Invention Association, and the chairman of the Henan and Luoyang Mechanical Design and Transmission Societies.

Engaged in the research and design of new gear movement. The research on "new non-zero spiral bevel gear" has achieved results. He has written the paper "New Suggestions on Strength Calculation of Bevel Gear", written Bevel Gear Transmission and edited the Chinese-English Dictionary of Mechanical Transmission.