Number1: The ventilation system is too luxury for ordinary people.
With the development of modern industrial society, air pollution has become increasingly serious, and the amount of suspended pollutants and suspended particles in the atmosphere has increased.
Dust pollution is the major problem at the building construction site in city. The new air system can remove the indoor dust effectively.
With the rise of “Haze Economy” and the growing pursuit of healthy living, resulting in the appearance of the new air system.
And there are many kinds of new air fresh productions, but it can not suitable to china real air situation .