For further information of the Conference, please contact the secretary of ICESEI 2020:

(1) Email:  icesei99@163.com

(2) TEL: +86-18339945547 ; 15903677725 (not available for wechat); 0371-63285418. (AM 8:30--PM 12:00, PM 14:30--PM 18:00, Monday to Friday)

     WeChat: 18137174845 (available for leaving messages 24/7).

     QQ: 1121094791 (available for leaving messages 24/7).

     Contact person: Mr. Zhang; Miss Hou