Well China took some serious measure to ensure the social distance, there are a lot of materials on social media, this is why the number of the casualties in China is lower compared with Europe or US.
They are disciplined is what you are saying. That is true though, I've watched a lot of my countrymen in China talking how disciplined and how they follow the protocols and policies in quarantine. It is possible because also of the help of their government that knows what to do in terms of that crisis.