we are the air purifier manufacture, we have over 6years experience in this field, and we have the professional team and tech. We have the sixth generation of the world's leading air purification tech: Magnetic induction and reactive oxygen photocatalytic coupling technology.The air purifier is very effective to remove the formaldehyde, ammonia, TVOC, odor, smoke dust, bacteria, benzene, and it is very effective to the person who have asthmas and rhinitis.We are mainly running: industrial purification, hospital operating room purification system, fresh air puricifation system, lampblack purification machine series, air conditioning series, professional medical instrument series,household and commercial air purifier, computer/student/auto oxygen bar priducts,filter series, air tester product series, humidifier, automobile exhaust gas purification device series.