March 1, 2003 China's first "indoor air quality standards" into effect. In accordance with the indoor environmental pollution experts are divided into three categories of pollutants. 1, the chemical pollution: mainly from the decoration, furniture, toys, gas water heaters, insect sprays, cosmetics, smoking, kitchen fumes, etc.; 2, physical pollution: mainly from outdoor and indoor noise generated by electrical equipment , light and building decoration materials, radioactive pollution; 3, Biological pollution: mainly from the parasites on the interior decoration materials, supplies and air conditioners produced in other mites and other bacteria. 
 Interaction between these harmful substances will increase the indoor air pollution on human health hazards, Environmental Protection Technology Co., Ltd. Guangzhou green innovation is a professional air purifier R & D, production and sales of high-tech environmental company. Record of research and development of green air purifier is designed for indoor air pollution, advanced features, the effect is very good, formaldehyde, benzene, ammonia, TVOC, and other harmful gases get more than 90% clearance rate, can produce up to 300 million negative ions to purify the indoor air, dust sterilization to protect the health of their families, home life is the best companion. 
 Details are as follows: 

 1. Four purification system, comprehensive clean air, including the PP filter, HEPA net, cold catalyst filter, granular activated carbon honeycomb; 
 2. Ionizer, this product can produce large amounts of negative ions, outlet position in the machine, no less than 3 million negative ions / cm3, you can enjoy the room only in the wild, waterfalls or forests to enjoy negative ion air. 
 3, microcomputer control switch, simple operation, with wind control function, timing function, remote control, memory function. 
 4. Large LCD display, as in dimly lit office can operate freely.