Jiujiang bank app has bound the bank card. Can I tie other cards without a card number?

Jiujiang bank app has tied a bank card, and other cards can be tied without a card number. Because Jiujiang Bank app binds the silver card, you first need to go to the bank to bind the mobile phone number, open the SMS service, and after binding the bank card, directly select the bank card under the mobile phone number for binding, without entering the bank card number. Therefore, Jiujiang Bank app has tied a bank card, and other cards can be tied without a card number.