On which floor is papermaking in Beijing National Museum?

Papermaking is on the second and third floors of Beijing National Museum. The National Museum of Beijing is mainly divided into three floors above ground and one underground. The first floor is the Enterprise Museum, the second floor is the Papermaking Science and Technology Museum, the third floor is the General History Museum of Papermaking, and the first floor is the exhibition of ancient China. So papermaking is on the second and third floors of Beijing National Museum. Located on the east side of Tiananmen Square in the center of Beijing, the National Museum of Beijing is the highest institution that collects, studies, displays and explains representative material evidence that can reflect Chinese excellent traditional culture, revolutionary culture and advanced socialist culture on behalf of the country.