☆ Yu Lu, Associate Professor, Qiannan Normal University for Nationalities, China, September 2017

☆ Mr. Yan Chen, Associate Professor, Yongzhou Vocational Technical College, September 2011

☆ Mr. Xiang Ma, Lecturer, Hunan International Economics University, September 2010

☆ Mr. Xiaoman Liang, Associate Professor, Hengyang Normal University, September 2008

☆ Ms. Xihui Li, Lecturer, Hunan College of Information, September 2008