It's an ordinary joint card of Bank of Zhang Jianshe and Guo Jin, so when you put this card into a securities account in Guo Jin, you don't need to connect the three parties. What is a co-branded card? Co-branded card is a kind of bank card jointly issued by issuing bank and for-profit organization. The most common is the joint debit card, that is, the bank card with joint nature developed on the basis of the debit card. Co-branded cards not only have all the characteristics of bank cards-cash deposit and withdrawal, credit card consumption, transfer and so on. , but also according to the regulations of banks and merchants to add some new functions. Compared with other forms of credit cards, co-branded cards not only have low application requirements, but also enjoy double discounts.