the processing time of p>CA digital certificate and electronic signature is from Monday to Friday (except legal holidays), from 8: 3 am to 12: am and from 14: pm to 17: 3 pm.

the handling methods are divided into two forms: on-site handling and online handling. For online processing, log on to the digital certificate security authentication platform to apply (www.caukey.com), and apply for the new version of CA digital certificate and electronic signature. For on-site handling, you need to bring the required information in the Instructions for Handling CA Digital Certificates and Electronic Signatures to the CA service window in the lobby on the fourth floor of Jining Public Resource Trading Service Center (No.7 Shengxian Road, Beihu Provincial Tourist Resort). The specific process can be found in the information download column of Jining City Public * * * Resource Trading Network "Instructions for Handling CA Digital Certificates and Electronic Signatures"