If you do have this system and have continuous data that has been tested for more than one year, congratulations.

First of all, organize your own data and do a good job in risk and benefit assessment. For example, how much can be refunded at most throughout the year, and how much can be refunded if it exceeds 5%. What is the profit of Nianhua?

If you want to expand yourself, you only need to sort out the above information systematically. As long as you can take small risks and make a fair profit, finding funds is not a problem.