Hello!
China Unicom’s official Sina Weibo is called “China Unicom” and its address is?/chinaunicom .
China Unicom’s official Sina customer service Weibo is called “China Unicom Customer Service” and its address is /10610010.
The naming rule for the Sina official customer service Weibo names of provincial branches is "China Unicom XX Customer Service", such as "China Unicom Beijing Customer Service".
You can find the corresponding official Weibo through Weibo search.
Thank you for your support to China Unicom. I hope your answer will be helpful to you.