Originally Posted by
YuropFlyer
Tons of travellers do it every day. I myself have flown stuff like Austria-China-Switzerland with TWOV. Never a single problem. This is perfectly fine according to the rules and Chinese immigration just follow the rules. Never a problem there!
totally agree - I usually just book the return via Tokyo (few hour layover) to take advantage of this. Definitely works, they only care about arriving and departing countries not being the same.