Wei, a return air air purifier / return air disinfection purification devices / electronic disinfection return air purifier / return air air purifier / return air Air disinfection / return air purification equipment Disinfection / return air sterilization device / return air Sterilization means home delivery service quality assurance service installation and commissioning services for a Return Merchandise Services service core technologies lifetime warranty services or technical support services of air how much air sterilizer, the current production of air disinfection purification, divided into four Class: 1), UV, electrostatic field, filtering techniques; 2), ozone, electrostatic field, filtering techniques; 3), electrostatic field, ultraviolet radiation, ozone, filtering techniques; 4), the electrostatic field, filtering and other processing techniques . 5) tends to be a combination of multivariate techniques ---- ionizer +, Photocatalytic, light reaction apparatus ionization device -, filters, oxygen technology, this is a great company's own patented technology application.