Current location - Recipe Complete Network - Catering training - Does it take 48 hours for Shijingshan to eat nucleic acid?
Does it take 48 hours for Shijingshan to eat nucleic acid?

no need.

Shijingshan District, which belongs to Beijing, has been announced by many shopping malls in Beijing. Since February 21th, negative nucleic acid test certificates will no longer be tested in dining halls.

In-class food means that it can only be consumed in the store and cannot be taken away or taken out.