How to complain about the doorman of Tianjin University?

Complaints against the doorman of Tianjin University can be made orally. Complaints about Tianjin University doormen can be made directly to the school complaints office or relevant departments. Tianjin University, referred to as Tianjin University for short, is the first batch of national key universities directly under the Ministry of Education of People's Republic of China (PRC). It is a national "double-class" construction university, a national "2 1 1 Project" and "985 Project" construction university, and one of the pilot universities of China Academy of Engineering and Ministry of Education 10 engineering education reform.