Upvote:-1
The thing about China is that the TWOV policy for most nationals will be the same. The policy is 24 hours from the moment you land on any Chinese Airport to the moment you fly away from China to your next country.
Here's a helpful link - https://www.travelchinaguide.com/embassy/visa/free-transit-24hour.htm
As long as you meet this condition, your immigration should go without a hiccup.
Upvote:1
To use TWOV, you don't need to have all flights under one reservation. You just need to have all flights booked, with a printout, to facilitate the formalities, especially for the airlines.
I would suggest to take the longer layover in PEK, for two reasons: