Are there any air sterilizer manufacturers? I would like to recommend a medical grade

Medical grade air sterilizers do not seem to be a lot, I only know a TMT multi-functional air sterilizer, the manufacturer is a professional medical equipment, but also the strict implementation of the medical device production standards of the enterprise, the device is mainly by ultraviolet light to kill bacteria and viruses, ultraviolet disinfection belongs to the category of physical disinfection, mainly in the role of microbial DNA, damage to the structure of the DNA, so that it loses the function of reproduction and self-replication to achieve the purpose of sterilization. Self-replication of the function so as to achieve the purpose of sterilization and disinfection, with no color, no smell, no chemical substances left behind the advantages, so there is no harm to the human body, can effectively kill 99.9% of the Staphylococcus aureus, Escherichia coli, Candida albicans, and effective removal of formaldehyde, benzene, PM2.5 and other harmful substances in the air.