Nine Guangzhou Environmental Protection Technology Co. (www.cncdd.cn) is located in Huangpu District, Guangzhou City, Guangdong Province, Guangzhou Petrochemical No. 50 Road, Contact: Ms. Xie indoor pollution Type: According to sources of pollution, indoor pollution is now generally divided into the following three types: 1, 2 physical contamination, chemical contamination 3, biological pollution physical pollution: pollution refers to light, sound, electromagnetic, radioactive and other aspects of environmental impact, such as a break from the windows at night incident light affects sleep ; construction sites, vehicles issued through walls and glass into the interior noise, electromagnetic waves emitted by mobile phones and so on. Residents such as visible light pollution audible sound are more concerned, but also to take some protective measures, such as installing curtains, cotton insulation installed in the wall, and install double glass and so on. Prevention and treatment of other invisible pollution are often omissions, which need to find a professional company to be addressed. Chemical pollution: always accompanied our home life, a lot of pollution every day we see, smell, but often not enough attention. Such as kitchen fumes, on the wall, paint fumes in the air, smoke caused by smoke, etc., depending on the chemical properties of the pollution can be divided into organic and inorganic pollution, contamination, pollution commonly smoke, formaldehyde, benzene, TVOC and so on. These effects on the human body is slow new houses in addition to formaldehyde, but over time, but it often results in a very bad result. Biological pollution: closely related to people's lives, and every family, everyone is threatened by it. Such as food corruption, mildew, odor emitted from the kitchen, itching skin may be caused by biological contamination. Give people the deepest impression was "SARS", to individuals and society caused a very big impact. Nine Guangzhou Environmental Protection Technology Co. a company specializing in environmental protection, the company's main business: hotel services in addition to formaldehyde sterilization, disinfection office, KTV room disinfection services. Disinfection of public places, hotels in addition to formaldehyde, entertainment disinfection, disinfection of residential services, environmental Nine - your indoor environmental specialists. Professional services in the home, office, hotel, entertainment and other harmful gases governance indoor environment. Indoor Environmental Pollution World Health Organization announced the "2002 World Health Report" clearly Ten indoor air pollution as a threat to human health. Air pollution has become a common problem worldwide. Most people have more than half of the time is spent at home, indoor air pollution is a major cause of serious impact on people's health. Currently there are nearly 2 million cases in developing countries deaths from indoor air pollution caused by formaldehyde decoration in addition, 4% of the global burden of disease associated with indoor air quality. US daily because radioactive substances produced interior decoration - the number of deaths caused by radon is 70 people, the figure has exceeded the number of deaths due to AIDS. China's annual number of deaths due to indoor air pollution caused reached 11.1 million. Survey from China Standardization Committee Chinese adolescent health guidance center: China has 2.2 million young people die each year due to indoor pollution caused by respiratory disease, including one million children under five years of age.