Wei, a socially beneficial central air purification device (1) effective in reducing nosocomial infections, a huge loss of life and property in exchange for the people of indoor air pollution, indoor environmental protection, the benefit of human society. (2) provide hospitals with a new air sterilization equipment, to improve the treatment of hospital level of care to create conditions under sterile conditions requiring physical therapy, rehabilitation of patients to bring the Gospel. (3) improve pharmaceutical, food factory, deli, beauty salon, entertainment air quality air purifiers air return pictures to meet health standards. (4) For the file room, library, computer room effectively store and protect valuable or priceless variety of information, such as CD-ROM, disks, and film and so on. (5) to completely solve the pollution of indoor air-conditioned environment of the return air air purifiers, eliminate the air conditioning disease breeding. To protect computers and other modern office facilities air return air purifiers offer, especially Eliminated smoking environment purification, so that millions of passive smokers immune. Installation: Wei a space disinfection purification product core competitiveness 1 of human coexistence can be dynamically continuous disinfection, and no secondary pollution air return air purifier companies overcome the traditional method of disinfection. 2 won the highest authority recognized patented technology. 3 sterilization, high power collection efficiency can be 30 minutes to achieve sterilization standards prescribed by the state. 4 product design humanization third gear speed selection, manual, automatic, timed three operating modes, easy to operate. 5 cycles using the core technology of high-end luxury product lifetime warranty 6: Using the LCD screen, as well as fault reminder. 7 8 wide range of applications easy to clean easy operation and maintenance services to facilitate product sales and after-sales service quality assurance home delivery service installation and commissioning services for a Return Merchandise Services service core technologies lifetime warranty services or technical support services