USD to RMB can be exchanged at various foreign exchange banks. Bank of China / Industrial and Commercial Bank of China / Agricultural Bank / China Construction Bank / Bank of Communications are all foreign exchange banks . The exchange rate of the same bank is the same everywhere, and the exchange rate of different banks is slightly different. There is no fee for the exchange (because the fee is included in the difference between the bank’s sale and purchase of foreign exchange).
The following is the exchange rate of the Bank of China: Time: 2012-08-07, 100 US dollars to RMB