All VPNs work without problems with China if you roaming into their network with a foreign (e)SIM.
You will get unfiltered western internet as a tourist.
You will get unfiltered western internet as a tourist.
Wasn’t a lot in the end scheme of things - less that the cost of a night in the hotel, let alone the full trip
Why was it blocked for a week? Not sure I understand what happened to you.