BOC Great Wall Global Link Credit Card is the world's first credit card product that supports RMB automatic foreign exchange purchase. With this card, every transaction in the world will be automatically converted into RMB, and the cardholder only needs to repay the RMB arrears. In addition, this credit card belongs to the Great Wall series of China Bank, so like other credit card products in this series, it combines the advantages of savings card and credit card, and has the advantages of deposit and loan, interest-bearing deposit and interest-free repayment period for overdraft consumption.