No radar or patrol in China. Never seen a police patrol chasing or even pulling over another car here. That is not their job!
Only way to ticket anyone here is by speed cameras. A still picture, kindly chopped by a judge already, with your clocked speed is sent to you by email. We also have a website to check LIVE tickets as well
Everyone pays their tickets at their scheduled yearly car inspection
Radars? those are "primitive hunting" methods the cops says here LOL