Can handle complaints, complaints to the Bank of Communications Credit Card Center customer service hotline, or complaints to the Bank of Communications customer service hotline. Bank of Communications Credit Card Center belongs to a sub-department of Bank of Communications, so they are different.

2. If you are not satisfied with the handling result after complaining to the Bank of Communications, you can complain to the CBRC;

3. Complain to the Consumers Association (12315);

4. If the situation is serious, the cardholder can also bring a civil lawsuit to the court.