You can't. Official website of Yanshan University shows that the credit upload portal of Shuangchuang Credit Platform was closed on February 2, 2023 17, and the content that has not been uploaded will not be uploaded at that time. Yanshan University, referred to as "Yanda", is located in Qinhuangdao City, Hebei Province. It is a national key university jointly established by the People's Government of Hebei Province, the Ministry of Education, the Ministry of Industry and Information Technology and the State Bureau of Science, Technology and Industry for National Defense. It is located in Qinhuangdao City, Hebei Province, and is a member of Beijing Hi-Tech University Alliance.