Some mathematical logicians in Nanjing:

• Decheng Ding (Emeritus), School of Mathematics, Nanjing University.

• Yun Fan, School of Mathematics, Southeast University. 

• Hong Lu, School of Mathematics, Nanjing University.

• Yong Liu, Mathematics Department, Nanjing Xiaozhuang University. 

• Daniel Mourad, School of Mathematics, Nanjing University.

• Ruofei Xie, School of Mathematics, Nanjing University.

• Liang Yu, School of Mathematics, Nanjing University.

I am organizing the conference "Model Theory and Interactions in the Yangtze Delta". Here is the conference page.