it is not open to pollution caused by residential buildings.

according to official website, the people's government of Hangzhou, the no-open dining area is residential buildings, commercial buildings without special flue and commercial floors adjacent to residential floors in commercial and residential complex buildings. For catering services in a limited area, but not producing oil smoke, odor and waste gas, it can be handled normally.

In principle, restaurants are not allowed to be opened downstairs of residential buildings of commercial houses in Hangzhou. Unless they are shops with business licenses, they can basically only sell light meals, such as wonton, dumplings and salads.