Night shuttle from PEK to Chiaoxing Area after midnight?

Hello,

In august we will arrive in Beijing PEK at 00.20. I read there is only 1 night shuttle to downtown till after last DOMESTIC flight. And 1 night shuttle to other area. Seems none of them can drop us downtown. Or???
If not, what would an alternative?
If arrival is as scheduled it might still be 1.30 before we are through immigration etc...

One more question:
What options do tourists have to buy a local simcard, especially for data traffic?

Thanks a lot!
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Wim
Indonesia