The median price announced by the Bank of China; Generally speaking, the national guidance price, commonly known as $65438 +0 to several RMB.

The major commercial banks in China announce the buying price of cash (the price for banks to buy personal foreign currency cash),

Cash selling price (the price at which banks sell foreign currency cash to individuals).

Spot foreign exchange buying/selling price (buying/selling price of bank foreign currency remittance draft)

For example: 2011July 19 China Industrial and Commercial Bank announced the foreign exchange rates as follows:

The median price is 1 USD = 6.4684 RMB. The cash purchase price is 1 USD = 6.3977 RMB. The cash selling price is 1 USD = 6.4752 RMB.

When you go to ICBC, the price of RMB notes against US dollar notes is 6.4752 RMB pairs 1 US dollar.

When you go to ICBC, the price of changing US dollar bills into RMB bills is: 1 US dollar to RMB 6.3977. The difference between the two is the profit earned by the bank.