A survey by the World Health Organization shows that about 68% of human diseases are related to indoor pollution, and about 80% of people's life is spent indoors. New materials and new processes of various decorative materials are used in construction, and there are many kinds of pollutants and complex components, making the degree of indoor pollution reach 5-10 times outdoor. How to improve the indoor air quality of closed buildings and create a safe and comfortable living environment has become one of the key topics of global HVAC and building environmental protection professionals in recent decades. Mei-ai provides a full range of air purification solutions for high-end office buildings, hotels, airports, metro railway stations, large exhibition centers, campuses, homes, etc., mainly using the combination of electrostatic adsorption and physical filtration, the industry's first "electric bag -" technology, the transformation of industrial ultra-clean technology applied to commercial residential, revolutionary change. Effectively remove indoor particulate matter (such as PM2.5, etc.) and bacteriostasis, effectively reduce indoor gaseous pollutants (such as formaldehyde, TVOC, etc.) concentration and CO2 concentration, improve indoor air quality.