A FlyerTalk Posting Legend
Join Date: Sep 2009
Location: Minneapolis: DL DM charter 2.3MM
Programs: A3*Gold, SPG Plat, HyattDiamond, MarriottPP, LHW exAccess, ICI, Raffles Amb, NW PE MM, TWA Gold MM
Posts: 102,617
IME departing PVG on flights to the USA (operated by a USA carrier), they are concerned about water bottles acquired airside, but they don't always do a very careful search. I've had some unopened water bottles confiscated and I've gotten through with some.