Textbook P3 1
The following properties shall not be mortgaged (1) to the land ownership; (2) to the land use right owned by collectives such as homestead, private plots and private hills, except those that can be mortgaged according to law; (3) to the educational facilities, medical and health facilities and other public welfare facilities of non-profit legal persons established for public welfare purposes such as schools, kindergartens and medical institutions; (4) to the property whose ownership and use right are unknown or controversial; (5) to be sealed up and sealed up according to law. If chattel is used as mortgage, the mortgage right shall be established when the mortgage contract takes effect; Without registration, you may not be able to fight well-intentioned third parties.