No interest. According to the information released by Phoenix Furui Credit Card of Beijing Rural Commercial Bank, the longest interest-free period after swiping the credit card with the Furui Platinum Card is 58 days. No interest or other fees will be charged for on-time repayment, so there is no interest for purchases made with the Furui Platinum Card. , Interest is the fee for using currency within a certain period of time, which refers to the remuneration that currency holders receive from borrowers (debtors) for lending currency or currency capital.