This is an interesting read to whittle the day away on what to expect when arriving at Pudong AP.
https://www.amcham-shanghai.org/en/article/what-expect-travelers-returning-china-guide
1-2 hours to get off the aircraft
3-4 hour to process through terminal
>5 hours to reach quarantine hotel
I've been through many Chinese airports (30+ times) for work, and what Ding will be going through makes (my hatred of) transiting through Guangzhou look like a picnic!