Grade one: A+ University. Peking University, National University of Defense Technology, Zhejiang University, Tsinghua University.

Sophomore: A-level university. Beihang University, Beihou University, Harbin Institute of Technology, Shanghai Jiaotong University, Nanda University, Huazhong University, University of Electronic Science and Technology of China.

Level 3: Class A-University. Beijing Jiaotong University, Beijing Institute of Technology, Northeastern University, Jida University, Central South University, Wuda University, Xi Jiaotong University, Tongji University, China University of Science and Technology, xidian university (xidian university), PLA Information Engineering University.

Level 4: Level B+University. National People's Congress, Beijing University of Technology, University of Science and Technology Beijing, Nankai University, Tianda, Harbin Engineering University, Fudan University, East China Normal University, Southeast University, PLA University of Science and Technology, Chongqing University of Posts and Telecommunications, Hunan University, Shanda University, Xiamen University, Sun Yat-sen University, South China University of Technology, Sichuan University, Chongqing University, Southwest Jiaotong University, Hangzhou Dianzi University.

Grade 5: B-level university. Beijing Normal University, Suzhou University, China University of Mining and Technology, harbin university of science and technology, Hohai University, Jiangsu University, Nanjing University of Information Science & Technology, Tianjin University of Technology, Shanxi University, Dalian Haida University, changchun university of science and technology, Yanshan University, East China University of Science and Technology, Shanghai University, Zhejiang University of Technology, Shenzhen University, Southwest University, Lanzhou University, Rocket Force Engineering University, Anhui University, China Ocean University, China Geo University, Wuhan University of Technology, Jinan.