If you hold X2 visa and the validity of your X2 visa is longer than your study period here, you must register your X2 visa in Fudan Online System (Ehall). Website: http://ehall.fudan.edu.cn. After logging in, search for “Application for Introduction Letter for Visa” and upload the required documents to register your X2 visa.
You must confirm your registeration of X2 visa on site in ISO office temporarily located in the lobby of International Students Dormitory at the beginning of the semester to end the procedure.