Moreover, the CSRC originally stipulated that fund companies were not allowed to fight price wars at the beginning of issuance.
But now many funds are registered and purchased in official website, a fund company.
You can get a 10% discount or even a zero rate if you subscribe. Because it is a direct sales channel, the intermediate cost is not much.
In agency channels, such as banks, there is almost no 0 rate on the fund website.