May 2005 group photo after doctoral thesis of Xiaoyong Wang and Nan Jiang

 

May 2006 group photo after doctoral thesis of Xiaoyan Song and Yajuan Li

 

May 2011 group photo after doctoral thesis of Defeng Yu and Chunxian Wu

 

May 2012 group photo after doctoral thesis of Chengqian He and Yaxun Fan

 

June 2013 group photo after doctoral thesis of Maozhang Tian and Wentao Wang