As most companies in China are highly leveraged, hey may not have the cash reserves to start up the production once it’s over.
And, if the death toll is higher than reported (I am being generous) they may not have the staff available to get back to normal for months.
Plus...their loans are due. I cannot imagine that Chinese bank collection efforts are tame.
I think it’s hard for us to even consider the viewpoint of China’s leaders. Very different concerns and aims than ‘free’ Western governments.
Some trade rumors/tidbits you may find interesting:
https://twitter.com/GerritAlexander/status/1230581667414396929
What struck me is Chinese “prices up sharply”.