02795559 is affiliated with Bank of Communications
Bank of Communications' risk control phone number is mainly used to monitor the safety of personal credit card swiping. The main purpose of calling you is to confirm whether you are consuming in person. If not, , will stop the loss in time to avoid unnecessary trouble.
Generally speaking, when you receive a call, it is when you swipe your card too frequently or the amount is too high, which may easily lead to financial risks. The Bank of Communications confirms whether the consumption is yours and carries out risk control without asking other questions. This is still very responsible.