Is the secret service sign of property security in Sanshui District of Foshan illegal?

In our country, secret service not only refers to the secret service personnel of the military and public security departments, but also includes the staff of security companies who perform secret service tasks.

Public Security Secret Service: The secret service of the public security system is generally subordinate to the local public security special police. Because of the pressure of maintaining stability, auxiliary police recruited in many places have also entered the special service team. The standard to distinguish the secret service personnel from the official police or the auxiliary police is to see whether they have a police officer's card, and the uniform is to see signs such as epaulettes and warning signs.

Security Secret Service: Security Secret Service generally wears clothes marked with the word "Secret Service", and some also wear armbands and signs with BA numbers on their chests, while public security secret service will not wear clothes marked with "Secret Service".