A firewall system protecting backbone networking servers needs to be renewed to guarantee continuity of services. Unfortunately, during the technology upgrade is not possible without network interruption. It is expected that the operation will be completed at 23:59 pm, and no further announcement will be made if it is completed earlier.

We apologize for any inconvenience during the maintenance period. If you have further question or experience any difficulties, please contact the Mr. Wang, extension is 3224.