Some faculty members work on model theory and related topics in China:
Will Johnson, Fudan University.
Kyle Gannon, Peking University.
Jizhan Hong, Huaqiao University.
Wei Li, Chinese Academy of Sciences.
Rizos Sklinos, Chinese Academy of Sciences.
Shichang Song, Beijing Jiaotong University.
Wentao Yang, Inner Mongolia University.
Ningyuan Yao, Fudan University.
I am organizing the conference"Model Theory and Interactions in the Yangtze Delta". Here is the conference page.