Du shijie,male,member of the Communist Youth League,born in ji nan,Shan dong province,master student.In July 2021,Igraduated from Qing Dao University Of Technology with a mechanical degree.In the same year,he was admitted to the School of Mechanical and Automotive Engineering, Qing Dao University Of Technology,where he continued to study for a master,s degree under the supervision of Professor Guo Feng