apply for an electronic official seal through the public security organ.

The specific operation steps are as follows:

1. The applicant first fills in the application information online, and goes to the public security organ for examination and approval with the original business license, legal representative's ID card and power of attorney.

2. Apply for electronic official seal on behalf of enterprises through signature

3. The third-party electronic contract platform mainly provides electronic contract, electronic document signing and certificate storage services for enterprises and individuals, but because the signing of electronic contracts involves the use of seals, the third-party electronic contract platform can also provide users with electronic official seal application services.