When I've been to China (Qingdao) they ban all they want:
- you buy 4g sim card and instead of 10 Mb/s you have an internet speed about 20 Kb/s - nothing capable to do with this speed. You need to avoid this ban via VPN only / unlock you phone etc..
- you cannot search  google , use viber, what's up application they are banned
- you cannot use TOR also

its a common practice in China