At present, there are 68 trust companies in China, except for a few private companies, all of which are controlled by the government or directly by banks. State-owned trust companies account for the majority. The funds raised by issuing the trust are only managed by them. It is not a state-owned asset.
The simplest example: There are several villas in your family, and you have given two of them to your relatives to help rent or take care of them. This house is yours. It will always be yours. This can't be your relative's. This is the logic of the principal-agent relationship.