It varies from province to province, as shown:

Buildings made of prefabricated component parts assembled at the site are called assembly buildings. It is categorized into five types according to the form of prefabricated components and construction method: block building, panel building, box building, skeleton panel building and rising panel rising building. Due to the fast construction speed and lower production cost of assembled buildings, they are rapidly spreading all over the world.

Expanded:

More than 30 provinces and cities across the country have issued specialized guidance and relevant supporting measures for assembled buildings, and many places have even put forward clear requirements for the development of assembled buildings. More and more market players are joining the assembly building construction army. In all parties *** with the promotion, in 2015, the country's new construction of assembled building area reached 35 million square meters -45 million square meters, the number of new prefabricated components factory in the past three years reached about 100.

Baidu Encyclopedia-Assembled Buildings

China Knowledge - A batch of national standard atlases for assembled buildings come out