The 5 1 joint credit card of China Bohai Bank is a UnionPay standard gold card, free of annual fee, with a maximum credit line of 654.38+10,000 yuan. The card has no interest-free repayment period and bears interest on a daily basis. The card has basic functions such as consumption, deposit and withdrawal, and does not support installment payment for the time being. 5 1 The joint credit card has no supplementary card, and the cardholder cannot hold other types of credit cards of the Bank at the same time.