Does the police discipline supervisor have real power?

Yes The inquiry website shows that the police discipline supervisor has the right to ask the relevant public security organs and public security police for assistance and cooperation in the process of performing his supervisory duties. Police discipline (political discipline) supervisors have the right to make unannounced visits through "confrontational" supervision, on-site inspection, reading materials, visiting seminars, questionnaires and other means according to the needs of their work.