Does Liaocheng Bank escort belong to security company or public security personnel?

Escorts are all operated by security companies, and the specific background is uncertain. Some people inside the public security bureau may find their own relatives to open a security company, but all the employees have filed with the public security bureau.

As for the personnel of the public security bureau, it seems unrealistic. They are supervisors. They used to be messy, but now they must all be security companies.