Legal basis: Civil Code of People's Republic of China (PRC).
Article 391 Where a third party provides a guarantee and the creditor allows the debtor to assign all or part of the debt without its written consent, the guarantor shall no longer bear the corresponding guarantee liability.
Article 392 Where the secured creditor's right is secured by both things and other things, if the debtor fails to perform the due debt or the parties agree to realize the security right, the creditor shall realize the creditor's right in accordance with the agreement; If there is no agreement or the agreement is unclear, and the debtor provides the security of the property himself, the creditor shall give priority to the realization of the creditor's right with respect to the security of the property; Where a third party provides a property guarantee, the creditor may realize the creditor's right with respect to the property guarantee, or may require the guarantor to assume the guarantee responsibility. The third party providing the guarantee shall have the right to recover from the debtor after assuming the guarantee responsibility.