BSBY_f011 indoor air treatment brand [AVA] Shenzhen Wei-hua Environmental Health Services Co., Ltd. has a policy of "environmental health, integrity, and sustainable development" business purpose, after years of hard work, the company based in Shenzhen Wei-hua gradually around the development, growth, respectively, in Huizhou City, Guangdong, Shantou, Haikou, Hainan, Guangxi Fangchenggang City, Sichuan Province, Chengdu, Kunming, Yunnan, and other registered companies or set up a workstation, in order to improve people's living environment, for care of our home performance to do to survive, but also to praise the government departments and the community. Looking to the future, Wei-hua company is willing to join hands and take the road of green technology entrepreneurship, to create a fresh, harmonious and comfortable green living space, with the most sincere attitude and the best quality service return to the society. Currently, indoor air pollution has become a cause of many diseases, has been listed as one of the public health risks of environmental factors greatest. Indoor air pollution comes mainly from three aspects: 1, the building itself, 2, interior decoration and decoration materials, 3, furniture for indoor use. Then you know what it indoor air pollutants in indoor air treatment company told you cause indoor air pollution mainly in the following five kinds of pollutants:? 1 formaldehyde: also known as formalin. Colorless, toxic, the human eye, nose and other stimulation, can cause nausea after inhaling, rhinitis, bronchitis, pulmonary edema, conjunctivitis, is a major cause nasal carcinogens. Mainly from formaldehyde adhesives, Daixinban, particleboard, wallpaper, carpeting, etc. 2. Benzene: are aromatic hydrocarbons. If exudes the smell of benzene in a closed room, one can in a short period of dizziness, lightheadedness, nausea, vomiting and other symptoms, if not promptly left the scene, it will lead to death. In addition, benzene can cause cancer, causing blood disease. 3. Ammonia: A colorless and has a strong pungent odor of gas. Human respiratory and eye mask has a strong stimulating effect, can damage blood oxygen transport function. Ammonia mainly from ammonia additives used in the construction process, but also from the flame retardant fabric and wood. 4.TVOC: total volatile organic compounds. Interfere with central nervous system and the endocrine system, will make people dizziness, headache, drowsiness, weakness, and chest tightness, carcinogenic, mutagenic. TVOC mainly from the coatings, adhesives, artificial board, smoke, electrical appliances, cleaning agents. 5. Radon: a radioactive gas produced by the body within inhalation exposure. Make people weight loss, fatigue, leukopenia. Easy carcinogenic and leukemia. Radon mainly from house foundation under rocks and soil, building materials (granite, brick, tile, etc.) and household items.