YUNBI has upgraded the customer support system, the former "customer service" has been upgraded to "support center". You can check the latest announcements and all problem solution documents in the new support center.
For previous tickets submitted before March 26, you can click the button "View Previous Order" on the top right corner of Support Center page.
In order to improve the users' experience and provide better service, please use the support center to report your problems, we will solve the issue in time. Thanks for your understanding.