Nine Guangzhou Environmental Protection Technology Co., Ltd. a professional indoor environmental control company, the company's main business: Zhuhai / Dongguan addition to formaldehyde, indoor environmental pollution control, auto / indoor disinfection addition to mold. Indoor air pollution can be understood as due to human activities or natural processes cause some substances into the indoor air environment, exhibits a sufficient concentration, for a sufficient period of time, and thus endanger human health or the indoor environment. "Indoor air quality standards" and "civil indoor environmental pollution control regulations," the control of the project is not only chemical contamination (including people familiar with formaldehyde, benzene, ammonia, radon and other pollutants, and respirable particulate matter, carbon dioxide, sulfur dioxide and other 13 Item chemical pollutants), as well as the physical, biological and radioactive contamination. Among the widest range of greatest impact formaldehyde, benzene, ammonia, volatile organic compounds, radioactive radon substance of these five. A healthy housing standards, the concentration can cause allergies low chemical substances; 2, in order to meet the requirements of the first point, as far as possible not to use plywood, wall decoration materials fugitive chemicals, etc; 3, with change Good air ventilation equipment Zhongshan office properties in addition to formaldehyde, can indoor pollutants discharged to the outdoors, especially for high air tightness, high heat resistance, it must be a central ventilation system with air duct, timing change 6, the indoor humidity; gas; 4, or smoke in the kitchen stove to be set up at a local exhaust system; 5, living room, bedroom, kitchen, toilet, hallway, bathroom, etc. should remain between annual 17 ℃ -27 ℃ annual kept between 40 to 70%; 7, carbon dioxide is lower than 1000PPM; 8, suspended dust concentration is lower than 0.15mg / m2; 9, the noise is less than 50 db; 10, day 3 ensures sunshine more than an hour;