Yes. According to the official website of Fada Electronic Contract, we learned that Fada is a service provider that provides electronic contracts, electronic signatures and electronic signature solutions. In cooperation with the Shanghai Zhangjiang Notary Office, the "Electronic Signature Notarization Deposit Certificate" issued by Fada can prove the signature. The validity of the entire process, including proof of the willingness to sign, true identities of the parties signing the contract, and proof that the signed contract documents have not been tampered with. This kind of certificate can be used in disputes and breach of contract situations, and can be used as auxiliary evidence in judicial institutions such as courts, arbitration committees, mediation centers, and notary offices.