The optional billing date of Industrial Bank's credit card is 2, 4, 8, 1 1, 13, 18, 2 1 and 23, and the repayment date of Industrial Bank is the 20th day after the billing date, so the repayment date is 65438 respectively.

Inquiry on repayment date of Industrial Bank's credit card:

1. Call the credit card customer service hotline of Industrial Bank, transfer to manual customer service, and ask the staff to check the credit card bill date and the final repayment date.

2. Check the credit card bill, and you can see the monthly bill date and the last repayment date.

3. Log on to the credit card website of Industrial Bank, enter the cardholder's ID number and query password, and you can query the billing date and the final repayment date.