2. In case of doubt, you can consult the local banking regulatory bureau or CBRC about whether the implementation is legal or complain about violations.

3. It should be noted that the law stipulates that if the interest rate agreed between the borrower and the lender does not exceed the annual interest rate of 24%, and the lender requests the borrower to pay interest at the agreed interest rate, the people's court shall support it. The interest rate agreed between the borrower and the borrower exceeds the annual interest rate of 36%, and the interest agreement in excess is invalid. The people's court shall support the borrower's request to the lender to return the part of the interest paid that exceeds 36% per annum.