[bing5643]

Tailscale may not work if you funnel traffic to a VPS as that's a common firewall avoidance tactic. A roaming SIM will have full access to the external internet without needing a VPN, if your carrier roaming is expensive an esim from 3hk or any other Asia roaming SIM may be worth it for 20-50usd depending on how much data and how long for. If you have any conceivable access to data that someone really wants always remember xkcd and the wrench. Enjoy china, is a fantastic place, don't talk about politics and enjoy.