1. If he signs a contract in the name of the company with the company's seal and license, the contract is generally regarded as an agency by estoppel and has legal effect, and the company should bear bad civil liabilities (such as losing money due to breach of contract).

However, if employees leave the company, it is a crime.

3. As far as the current situation is concerned, if there are indeed company seals, blank contracts and licenses whose whereabouts are unknown, they should be declared invalid immediately and reissued, and an alarm should be made at the same time.