There are two situations here. The external guarantee of the joint-stock company shall be handled in accordance with Article 16 of the Measures for the Administration of Urban Real Estate Mortgage. If there are provisions in the articles of association, it shall be handled in accordance with the articles of association; If there are no provisions in the articles of association, it must be approved by the board of directors or the shareholders' meeting. If it is an internal guarantee, it must be passed by a resolution of the shareholders' meeting or the shareholders' meeting in accordance with Article 16 of the Company Law. Beijing hongcheng guarantee
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.