The main application of bag air duct in the public domain can be divided into:

1. School classroom, canteen, hospital outpatient hall, conference hall, hall, library, museum, gymnasium, etc. Such places are mostly low partition ceiling space and tall open ceiling space. The installation of cloth bag air duct is convenient, simple and beautiful, anti-condensation, easy disassembly, convenient maintenance and so on.

2. All kinds of offices, high-grade office buildings and other places. This kind of place is condole top or open type more. At the same time, it can also be used for air supply under the overhead floor in order to match all kinds of fine decoration.

3. Transportation hub waiting hall, business district, administrative room, exhibition space, etc. The installation of air ducts in such places requires corresponding prefabricated building requirements, modular installation, uniform air supply, high-grade appearance, convenient installation and convenient cleaning and maintenance.