My visa is expired 23rd August how do I renew

Documents for you to submit include:
1. Original passport valid for at least 6 months from the date of application, with 2 or more blank visa pages.
2. The new version of the application form using the online system. Download and print it by full colour and sign all pages.
3. Copy of passport, copy of last Chinese visa, copy of residence permit
4. Scan the QR code of the work permit card and print out the details (the last item is
the valid period of the permit card)
5. If both the residence permit and the work permit card have expired, please reapply for
the Notification letter of Foreigner’s Work Permit
6. Employment letters from Chinese employer