2. Secondly, click "Information Management of Network Car Employees" to enter the login page, and enter the account number and password to log in.
3. After logging in successfully, click the "Certificate Management" button at the top of the page and select "Certificate Query" in the pop-up submenu.
4. Finally, on the document inquiry page, enter the name of the network car operator or the qualification certificate number of the network car to inquire.