What property can be used as collateral?

According to Article 37 of the Guarantee Law, the following properties may not be mortgaged; (1) land ownership; (2) collectively owned land use rights such as arable land, homesteads, self-reserved land, and self-reserved hills, except as provided for in Article 34, item 5, and Article 36, paragraph 3, of the Guarantee Law; and (3) educational facilities of public welfare institutions such as schools, kindergartens, hospitals, and social organizations, medical and health facilities, and other public welfare facilities. (4) Property whose ownership or right of use is unknown or disputed; (5) Property that has been seized, impounded or supervised in accordance with the law; and (6) Other property that may not be mortgaged in accordance with the law. Can be used as collateral: (1) The property that can be used as collateral can be movable or immovable. (2) The mortgagor may pledge several items of property **** together. (3) Where a mortgage is made on a house or other building which has not yet been constructed or is under construction as authorized by law, the mortgage is valid if the party concerned has registered the mortgage. (4) Illegal and unauthorized buildings may not be mortgaged.