You can't transfer money by credit card. You need to swipe the credit card limit to the savings card before transferring money. The box payment box can be used for all UnionPay credit cards and savings cards (except CITIC credit cards). The credit card is 30,000 for a single card, 30,000 for a single card every day, 50,000 for all cards every day, and 654.38+0.5 million per month; It will arrive on the next working day. 0.5% rate, no extra charge.