No matter what method you use, as long as you manage to get the money to your credit card, it will be considered a repayment. Your credit card is just a bank account. It doesn't matter what method you use, as long as it receives the money, it's OK.
The commonly used ones now are:
1. Cash repayment. Take cash, go to the bank counter, and deposit it into your credit card.
2. Repayment associated with companion cards. Link the card of the same bank where you have deposits to the credit card, and the money will be automatically transferred from the bank card to the credit card for automatic repayment on the monthly repayment date.
3. Transfer and remittance. Transfer money from other banks to your credit card. However, the sending bank will charge you an inter-bank handling fee.
4. Online payment. Pay to your credit card through a third-party payment institution, such as Alipay, Yuanqian, etc. Alipay and Yuanqian are free for cross-bank payments.
5. There are also lakala machines in convenience stores and supermarkets, which can also be used for repayment. If you still don’t understand, just go to Feidi.com to check it out