1. The University of Tokyo, Tokyo, Japan, Sep. 29, 2019. 
2. Central South University, Changsha, China, Nov. 26, 2019
3. Shandong University, Jinan, China, April 11, 2019
4. Sichuan University of Science and Engineering, Zigong, China, July 3, 2018 
5. Xihua University, Chengdu, China, July 2, 2018 
6. Sichuan Academy of Social Sciences, Chengdu, China, June 25, 2018 
7. Sichuan University, Chengdu, China,  June 25, 2018 
8. Shaanxi Normal University, Xi’an, Shannxi, China, June 14, 2018 
9. Northwest A&F University, Yangling, Shannxi, China, June 12, 2018 
10. Sichuan University, Chengdu, China, March 14, 2018 
11. Sun Yat-sen University, Guangzhou, China, Dec. 28, 2015
12. Hohai University, Nanjing, China, Nov. 4, 2015
13. East China University of Science and Technology, Shanghai, China, Apr. 18, 2015