Write the income source to use. According to the online consultation query, it can be used after entering the source of income, and China Merchants Bank’s all-currency international credit card, also known as the all-currency card, is a signature all-currency international credit card launched by China Merchants Bank and VISA. The card supports VISA lines, no matter what kind of Currency, consumption or cash withdrawal will be exempted from the 1.5 foreign exchange fee.