CHANGHONG GUO was born in Qinhuangdao City, Hebei Province, China, in 1977. She received her B.S. degree in process and equipment of machinery manufacturing from Yanshan University in 1999. She received an M.S. degree in aerospace engineering from the Beijing University of Aeronautics and Astronautics in 2004 From 2015 to 2016, she was a guest researcher at the Institute of Precision and Automation Control of Agricultural Machinery, Washington State University. She is now an associate professor at Yanshan University. Her main research directions include mechanical design, aerospace manufacturing engineering, and materials science.