China Industrial and Commercial Bank, China Bank and China Construction Bank. Dollars can be converted into RMB in large banks such as Industrial and Commercial Bank of China, Bank of China, China Construction Bank and Agricultural Bank. When choosing a bank, you can first check the foreign exchange price lists of major banks, compare the handling fees, and choose a relatively low bank for exchange. Dollar (UnitedStatesdollar abbreviation: USD；; ISO42 17 currency code: USD; ; Symbol: USD) is the legal tender of the United States of America.