Every month 18. According to the inquiry of Shanghai Pudong Development Bank in official website, Shanghai Pudong Development Bank stipulates that the repayment date of credit card is 20 days after the bill date, so the repayment date on the 28th after the bill date is 18 per month. Pufa Credit Card is a standard dual-currency Visa credit card issued by Shanghai Pudong Development Bank, which enjoys various benefits and can also apply for photo cards for free.