... procedures, and intelligence3.lowest ozone and more ion, Realize man, machine coexistence4.Ion wind directly in the pollution sources and ... need not need special;7.Equipment long life. High-energy ion purifier Formaldehyde, benzene, ammonia, toluene, xylene to wait ... or waste treatment for plants like leather-processing factory, spray workshop, plastic process,oil industry ,ect.3.Room purification ...