Sources of various respiratory diseases, asthma, and other diseases building syndrome - indoor air biological contamination of indoor air pollution including bacteria, fungi (including fungal spores), pollen, viruses, biological organic ingredients. Some bacteria and viruses are pathogens of human respiratory diseases in these biological contamination factors, some fungi (including spores), pollen and organic ingredients are organisms that can cause allergic reactions in humans. Biological sources of indoor air pollution: The main source of patients suffering from respiratory diseases, small animals (birds, cats, dogs and other pets), air conditioners and the environment. Different sources of environmental pollution are also different ways to quickly remove formaldehyde, indoor air pollution is mainly hospital respiratory infection patients, other public spaces and personal living environment of indoor air pollution is mainly the environment, animals and respiratory infections patients. Nine Guangzhou Environmental Protection Technology Co. an environmental professional indoor formaldehyde removal company, the company's main business: the courtyard formaldehyde services, hotel services in addition to formaldehyde, formaldehyde in addition to office, KTV room service in addition to formaldehyde, etc. Welcome to inquire. Different harmful substances harm: 1. Formaldehyde (colorless, pungent gas) main sources: plywood, Daixinban, hardboard and particleboard and other man-made plates, furniture, plastic wallpaper, carpets and other large-scale use adhesives link. Hazard: The cancer-promoting substances, causing nausea, vomiting, coughing, chest tightness, asthma or emphysema, chronic respiratory diseases, menstrual disorders, pregnancy syndrome, chromosomal abnormalities, neonatal body decreases, child mental decline. 2.TVOC (at room temperature, the volatile organic compounds present in the air, there is a special smell) main sources: decoration and building materials, furniture, wallpaper, wall coverings, carpets, textile products, detergents, fragrances. Hazard: toxic, carcinogenic and special smell, will affect the skin and mucous membranes, produced by the body after exposure to acute or chronic injury. 3. The main source of BTEX (colorless, aromatic odor): synthetic fibers, paints, paint additives and various diluents, a variety of solvent-based adhesive waterproof material. Hazard: In addition to indoor formaldehyde method carcinogen, mild poisoning can cause drowsiness, headache, nausea, chest physio flu, and may have mild irritation symptoms. Severe poisoning may appear blurred vision, difficulty breathing, irregular heartbeat, convulsions and coma. Nine environmental protection - your indoor environmental specialists. Professional services in the home, office, hotel, entertainment and other harmful gases governance indoor environment, formaldehyde detection, indoor decoration of taste. Welcome your advice. Guangzhou Environmental Protection Technology Co. Nine main services: indoor disinfection services, Guangzhou indoor disinfection, disinfection of indoor detection processing. Welcome you at any time consulting. Guangzhou _ just decoration in addition to formaldehyde how to how to remove formaldehyde formaldehyde _ _ specializing in addition to formaldehyde contamination provided by the Guangzhou Municipal Environmental Protection Technology Co. Nine. Nine Guangzhou Environmental Protection Technology Co. (www.cncdd.cn) strong, credible, flavoring agent in Guangzhou, Guangdong province, deodorants industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving Nine innovative ideas will lead into the brilliant green and you work for a better future!