Agricultural Bank of China can deposit and withdraw and exchange Hong Kong dollars. The deposit, withdrawal and exchange of Hong Kong dollars of ABC can be handled at the outlets of ABC. However, Hong Kong dollar exchange business can also be handled through online banking or mobile banking. In the process of handling, if foreign currency is exchanged through foreign exchange trading, if it is exchanged in RMB, it can be settled and sold.
There is no handling fee for exchange, and documents are not needed for small foreign currency exchange. You can exchange it directly at the bank counter.