Peking University is referred to as Peking University, Tsinghua as Tsinghua, Renmin University as People's Congress, Beihang University as Beihang University, Beijing Institute of Technology as Beijing Institute of Technology, Harbin Institute of Technology as Harbin Institute of Technology, Fudan University as Fudan University, Nankai as Nankai, Central Academy of Fine Arts as Yangmei, Central Academy of Drama as Chinese Opera, Shanghai Theatre Academy as Shangxi, Beijing Film Academy as Nortel, Beijing Dance Academy as Military Art and Beijing Normal University as Beijing Normal University. There are no rules, they are all established.