May 6, 2013, Prof. Liang (Yue-sheng Liang) from the school of mechanical engineering, Georgia Institute of Technology, USA, visited our department and made a deep exchange in the aspects of specialty teaching, curriculum setting, communication training, etc. with the relevant teachers of our department. Prof. Liang now is the professor of school of mechanical engineering, Georgia Institute of Technology, and is named the lifelong chair professor of the institute. He also is the founding director of precision manufacturing institute and the project director of manufacturing education of Georgia Institute of Technology. Prof. Liang enjoys an international reputation in manufacturing science and technical research fields.