It is not easy to do foreign exchange sales. After all, you see that foreign exchange transactions are conducted through non-mainland trading platforms, and the legitimacy of many platforms is not guaranteed. If there are problems such as fraud, it will be difficult to deal with. So it is not recommended that you do foreign exchange sales.
We can consider the precious metal market, which is already developing in China, and it is relatively better to do it now. For example, many people now invest in the silver market.