Air purifier has been more and more important to us
The particle "PM2.5" as a result of the effects of air pollution, in 2015 the global air purifier sales tends to increase, in 2015 the global air purifier sales reached 25 million units. By 2022 the global air purifier sales will reach 59 million units. The air purifier market in developed countries has been quite stable and mature technology, Japan and the United States is the world's two largest air purifier production and consumption country, the annual demand of about 10...