legal ground
Article 395 of the Civil Code of People's Republic of China (PRC)
The following properties that the debtor or a third party has the right to dispose of may be mortgaged:
(a) buildings and other land attachments;
(2) The right to use construction land;
(3) the right to use the sea area;
(4) Production equipment, raw materials, semi-finished products and products;
(5) Buildings, ships and aircraft under construction;
(6) means of transportation;
(seven) other property not prohibited by laws and administrative regulations.
The mortgagor may mortgage the property listed in the preceding paragraph together.
Article 400
To establish a mortgage, the parties shall conclude a mortgage contract in writing.
A mortgage contract generally includes the following clauses:
(1) The type and amount of secured creditor's rights;
(2) The time limit for the debtor to perform the debt;
(3) The name and quantity of the mortgaged property;
(4) the scope of the guarantee.