What can I submit for the record of Jining?

Jining's filing shows that you can submit proof, that is, submit screenshots of travel code, nucleic acid certificate and health code. According to the relevant public information inquired, when the floating population in Jining reports for verification or instant reporting, they must follow the steps of 1, 2 and 3 after submitting the report information on the mobile phone, and be sure to submit screenshots of the trip code, nucleic acid certificate and health code.