The online declaration of enterprise electronic signature can be signed by legal person. According to relevant information, relevant signatories who need to sign the application materials according to relevant regulations, such as managers, shareholders, operators, investors, partners, directors, legal representatives, responsible persons, etc. , you need to use a digital certificate for electronic signature. Electronic signature, like the digital certificate we use, is a means of identity verification, which generally refers to all electronic forms attached to electronic documents and logically associated with them. It can be used to identify the identity of the signer of electronic documents, ensure the integrity of documents, and show that the signer agrees with the factual contents stated in electronic documents. .