It should be possible, but this should be specifically asked their customer service. Stock index futures is an independent contract variety, which belongs to the category of financial futures. Investing in stock indexes requires opening an independent futures account and passing the audit of the CSRC. The minimum margin for stock index futures is 500,000 yuan. Personally, such a high threshold is not as good as spot gold trading. To invest in spot gold futures, you must choose a standardized company with a formal license. If it is domestic, it is best to choose a Hong Kong company supervised by China Gold and Silver Exchange Association.

I suggest that you can download a free simulated trading software directly, try 24-hour online two-way trading, and then put it into real trading after you are proficient.