In foreign countries, RMB is a non-convertible currency, but China has strict regulations on taking RMB out of the country, and a large number of RMB are not allowed to leave the country. (Note that a small amount can be taken out). It is even more forbidden for the renminbi to flow abroad through the financial system. Therefore, the amount of RMB circulating abroad is not large, and there is no big RMB trading market. However, with the improvement of China's economic development level and the stability of RMB value, more and more people abroad are willing to accept RMB as the settlement currency. Moreover, with the increase of entry-exit personnel in China, there are more and more RMB circulating abroad. In Southeast Asia, RMB has actually become a convertible currency, but it was formed spontaneously by the people, not officially.

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