Because the object of this regulation is Chinese mainland's futures trading and its participants, even if foreigners participate in China's futures trading, they must do so in China's environment.
Moreover, even if the Regulations on the Administration of Futures Trading is translated into English, it will not have legal effect, and all final interpretations will be subject to the Chinese version.
Except for multilateral and bilateral international treaties that need to be translated into multiple languages, laws and regulations of a country issued by government departments will not be published in foreign languages.