1. Credit cards (debit cards) and JD.COM gold bars are both credit loan products, and they can't repay each other, otherwise they are cash withdrawal;

2. JD.COM Gold Bar only supports two repayment methods: savings card and small vault, that is to say, it must be repaid with its own money.

3. If you have no money to repay JD.COM gold bars, you can withdraw cash from a credit card (debit card) to repay them, and then repay them to the credit card (debit card).