What company is the mysterious man in the bank an employee of?

The mysterious man in the bank is an internal employee of the bank. The bank's mysterious person is a staff member appointed by the head office to conduct on-the-spot investigations and unannounced visits as a customer on the daily work of business outlets, self-service banking, self-service equipment and other services, as well as customers' opinions and suggestions on CCB outlet services. The bank's mysterious person is an internal employee of the bank. He is mainly responsible for inspecting and supervising banking business, inspecting bank services on the spot as a customer, and providing feedback and suggestions on problems to improve banking business levels and customer satisfaction. Therefore, the mysterious person in the bank is an internal employee of the bank.