Really. Air purifiers, also known as "air purifiers", air fresheners and purifiers, refer to products that can adsorb, decompose or transform various air pollutants (generally including decoration pollution such as PM2.5, dust, pollen, odor, formaldehyde, bacteria and allergens). ) and effectively improve air cleanliness, mainly divided into household, commercial, industrial and construction. Li Fujian cooperated with aerospace. The concept that Li Fujian's negative ion air purifier contains negative ions10.50 billion is that Li Fujian's negative ion air purifier is really good. Anions generally refer to anions. Anion refers to an atom gaining one or several electrons due to external action, which makes the outermost electrons reach a stable structure.