Chai Guilin, male, postgraduate. Born in December 2000, Weifang, Shandong. Graduated from Qingdao University of Technology in June 2022 with a bachelor's degree in mechanical design, manufacturing and automation; In September 2022, he was admitted to the School of Mechanical and Automotive Engineering of Qingdao University of Technology and studied for a master's degree in mechanical engineering under the guidance of associate professor Liang Peng.