The renminbi (literally people's currency) is the legal tender in the Chinese mainland. At present, Chinese paper denominations include 1 yuan, 5 yuan, 10 yuan, 20 yuan, 50 yuan, and 100 yuan. There are three types of coins with denominations of 1 jiao, 5 jiao, and 1 yuan.
Both banks and international airports have exchange service counters. In China, ATMs are everywhere except for some remote towns and villages.
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At the airports
Airport foreign exchange is mostly done at banks. Some of them have rules for old and new notes. So, carry an adequate amount of new versions of the currency. Bank exchange rates may vary significantly.
Currency exchange machines
The exchange rate at the currency exchange machine may be higher than that at the bank.
ATM
They can usually be found near the bank. Most of them support MasterCard and Visa. You can withdraw RMB with a foreign debit or credit card.
You can choose from the following banks to exchange currency:
State-run banks
Bank of China
Industrial and Commercial Bank of China
China Construction Bank
Agricultural Bank of China
Bank of Communications
Commercial banks
Shanghai Pudong Development Bank
China Industrial Bank
China Merchants Bank
China CITIC Bank
Foreign banks
Standard Chartered Bank
The Hongkong and Shanghai Banking Corporation Limited
Although these banks offer foreign exchange services, their sub-branches may not offer such services. Look out for the green EXCHANGE icon. It is usually on the exterior wall of the bank.
来源：Intl Services Shanghai