1. If it is a wholly state-owned enterprise, the external guarantee must first be approved and issued by the competent department of state-owned assets;

2. At this time, the resolution of the board of directors shall be signed by all directors and stamped with personal seals. If it is to be sent to the bank for filing, the bank generally requires the official seal of the company;

3. If it is not a wholly state-owned enterprise (but a state-controlled enterprise), it does not need the consent of the state-owned assets department, but the resolution of the board of directors must be submitted to the shareholders' meeting for approval;

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.