Do they really do that and what do they do when you say you don't have one? Do they believe you or not having one is as suspicious as having one with the content they don't like?
replyThis is just fake info, I was in China previous year and noone entering or exiting was required to show anything except passport.
replyFWIW, you don't have to do any of that to enter China.
replyonly to exit
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