1. fund: the financial services trust account contains fund products, and it is also required to pay the letter insurance fund. Public Offering of Fund and private equity funds operated by fund companies need to pay credit insurance funds to protect investors' rights and interests.

2. Derivatives: Trust accounts for wealth management services also involve derivatives, such as futures and options. For these transactions, it is also necessary to pay a credit insurance fund to protect the market order and the rights and interests of investors.