Self-financing is easy to understand, that is, the fund raisers of his company go to the boss to promote his products and ask them to pay. This method depends on the contacts of the fundraiser, the reputation of the company and so on.
Raising through raising channels refers to raising through asset management companies, banks, trusts and other channels. They have their own customer sources, they don't make direct investment, and customers can cooperate if they need it. They help you raise money, and you give him a copy. The industry standard is 50%, including dividends and management fees.