And there are many kinds of new air fresh productions, but it can not suitable to china real air situation .
The new air system duct is small with its accessory being precise. Once it ventilates for years, it would accumulate dust easily.
For other complex installation design, we need not understand it once we hand in work to management.
In China air purifier manufacturer, new air system are main used in hospital, hotel, shopping mall and office.
Absorb normal outdoor oxygen content, and eliminate low-oxygen content air.