It is free for China Merchants Bank to sell credit cards. If you want to cancel your credit card account, you can directly call the credit card hotline of China Merchants Bank at 4008205555 and select 9 to handle it manually. If the card is not activated, select 3 to enter the manual service. There is no handling fee for the cancellation of China Merchants Bank's credit card, all-in-one card and passbook.