RMB is a controlled currency. Although it can be converted into foreign currency at present, there is a certain limit. When converting, the bank will also have a bid-ask spread. For example, if you take 100 RMB and convert it into RMB immediately, it will be less than 100 RMB. There is a bid-ask difference between the two, similar to the handling fee. Go directly to the counter of China Bank for remittance. It's not very troublesome. Just go to the bank for consultation.

Personally, I think it is not appropriate to store foreign exchange arbitrage. Because of China's trade surplus, in theory, there is room for RMB to appreciate for a long time, so no matter which country it is converted into, it is not necessarily cost-effective. If you want to preserve your value, you can consider investing in precious metals and fixed assets.

Upstairs is talking about speculating in foreign exchange. This spot leveraged transaction is extremely risky. Novices are advised not to participate.