HMN TAC (Customer Support) provides customers with 24h online technical service. For emergency incidents, please contact us through the hot line, and HMN TAC will respond quickly. You can use the public mailbox to describe the problem in detail. If you have the TAC account, we recommend that you also contact us by creating a technical service request on the Huawei Marine TAC system, our troubleshooting ticket system.
Hot Line: +86 10 56592333;
Public E-mail: firstname.lastname@example.org;
TAC System: https://hmnsrm.kdcloud.com;