From November 12th to 14th, on the behalf of CESS, Prof. Tian Feng and Associate Prof.Bai Yuqi, participated in the 2012 Tsinghua Faculties’ Table Tennis League with members of labor union of Department of Physics in the name of Physics-CESS United team. All the team members displayed their good skills and team spirit despite that they were failed in group game. In addition, a post doctor named Yin Dafei participated in the individual competition after the team competition.