Legal analysis: Using a reliable third-party electronic contract platform can not only ensure the legal effect of electronic contracts, but also be more convenient and faster, and reduce costs. An excellent platform can better guarantee the security of electronic contracts and provide perfect legal services.

Legal basis: People's Republic of China (PRC) Electronic Signature Law.

Thirteenth electronic signatures meet the following conditions at the same time, as reliable:

(1) When the electronic signature production data is used for electronic signature, it belongs to the exclusive rights of the electronic signer;

(2) When signing, the electronic signature production data is only controlled by the electronic signer;

(3) Any changes to the electronic signature after signature can be found;

(4) Any changes to the content and form of the data message after signature can be found.

The parties can also choose to use electronic signatures that meet their agreed reliable conditions.