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Where is mu classroom customer service
You can contact customer service by phone or email.

E-mail: service @ icourse163.org; Tel: 010-585810 (Monday to Friday: 8: 30- 1: 30, 13:00- 17:00)

Customer Service Reminder: In order to help you solve the problem better and faster, please leave your phone number, China University OCW account, nickname, course name, detailed problem description, relevant screenshots and other information in the email.