Does the subject want to ask, "What if China Merchants Bank complains that its credit card does not refund interest?" ?

1. First of all, China Merchants Bank will not refund interest even if it complains about credit cards, and continue to complain to the head office of China Merchants Bank.

2. Secondly, call 12345 to complain.

3. Finally, take the evidence and complain directly to the CBRC.