Even if you have a resident permit and work permit and own companies in China where you are the "legal representative" and lease your own home. If you are a for

Even if you have a resident permit and work permit and own companies in China where you are the "legal representative" and lease your own home. If you are a foreigner, every single time you exit China and re-enter, even for one-day turnaround, you need to notify the local police station that you have left and have returned. Now, we have got this down to a We-Chat message with a picture of the entry stamp. Of course, better than the physical visit but it still must be done.