CoClean is a national high-tech enterprise dedicated to improving the living environment. CoClean has successively developed and launched series of negative oxygen ion air purifiers to meet the needs of different users, such as the stand-alone version that is carried around, the smart version of the desktop, the one-machine three-use car version, and the children\'s air designed for children. Guardians, floor-standing ion towers, etc., have been widely praised by consumers at home and abroad.