2, Rongtong 100 tracking SZSE 100 index, index funds in the biased fund of course the most risky. This fund can be long term, but it's hard to say what the returns will be. After all, the performance of the Shenzhen index is currently weaker than the SSE index, such as if the market style change, large-cap blue chips dance, then the SZSE 100 index fund is more dangerous. But you're only a month old, it's too early to tell. It usually takes at least a year or so of fixed investment to see how well your fund is performing and what your yield is.
3. You can check your fund holdings on CCB Internet Banking; you can also use the online inquiry function on the Rongtong Fund Company's website again, enter your ID number and initial password (the website has a prompt), and you will be able to check your fund.
4. Personally, I think you might want to consider starting with a bond fund, first choose this type of risky accumulation of experience, learning knowledge, and then invest in stock and index type.