Ustb email
You're looking for the email address of the University of Science and Technology of Beijing (USTB).
The official email address of USTB is:
However, please note that this is a general inquiry email address, and you may need to specify the department or person you are trying to contact. You can also try searching for the email address of a specific department or faculty member on the USTB website.
Additionally, you can also try contacting USTB through their official website:
They have a contact form and a list of departmental contacts that you can use to get in touch with them.