On September 12, 2015, Mechanical Engineering Postgraduate Class 1502 of College of Mechanical and Electrical Engineering was successfully held in Classroom 212 of the Main Teaching Building. All the students of Mechanical Engineering Class 1502 and some class committee members of Mechanical Engineering Postgraduate Class 1402 attended the meeting, which was chaired by Wang Chengshuo, monitor of Mechanical Engineering Postgraduate Class 1402.