Dear passengers,
        the Air China Customer Service Center (95583) system is scheduled to be upgraded from 2:00 a.m. to 4:00 a.m. Beijing time on April 15th. During this period, your phone can be connected normally, but some service transactions may be affected. We suggest that you can use the Air China mobile terminal (App, Mini Program) or the official website of Air China to process the required services. After the system upgrade is completed, the Air China Customer Service Center will assist you in completing the required business processing as soon as possible. We apologize for any inconvenience caused.