Nine environmental Main services: "indoor air purification and disinfection, sterilization hotel beds, restaurant tableware disinfection of vegetables and fruits, swimming pool water purification and disinfection, air purification and disinfection of central air-conditioning," air purification, odor, air elimination technique, air disinfection addition to mold indoor environmental pollution control. For you to create a healthy home interior environment. Welcome your advice. People indoors physiological metabolism, daily life, work study and other activities, which can produce a lot of pollution factor. Fuel combustion is one of the major sources of pollution indoors. Different types of fuel, even from different areas of the same fuel closet in addition to formaldehyde, the chemical composition and the composition and quantity of the products of combustion will be different. But, in general, the products of combustion of coal particulate matter, SO2, NO2, CO, PAHs based; combustion products, liquefied petroleum gas to NO2, CO, polycyclic aromatic hydrocarbons, formaldehyde based. Briquettes in the chimney stove without burning strong addition to formaldehyde, kitchen SO2 in the air up to 17mg / m3, usually around 3mg / m3; NO2 up to 50mg / m3, usually around 4mg / m3; CO up to 300mg / m3 or more , typically about 20 ~ 30mg / m3; particles in about 1 ~ 2mg / m3. When there is a chimney, SO2 can be reduced of about 0.05mg / m3; NO2 at 0.6mg / m3; CO about 6mg / m3; particulate matter about 1.4mg / m3. LPG combustion and indoors without ventilation equipment, SO2 from not detected to 0.05mg / m3; NO2 of 10mg / m3 or more; CO for 3 ~ 4mg / m3; particulate matter was 0.26mg / m3; formaldehyde up to 0.1 ~ 0.4mg / m3. Nine environmental Main services: "indoor air purification and disinfection, disinfection KTV hotel beds in addition to formaldehyde, vegetables and fruits restaurant tableware disinfection, swimming pool water purification and disinfection sofa in addition to formaldehyde, central air-conditioning air purification and disinfection" air purification, odor, air elimination technology, air disinfection addition to mold, indoor environmental pollution control. For you to create a healthy home interior environment. Welcome your advice. Human life, about 70% -80% of the time to be spent indoors, 12 cubic meters per capita daily inhaled air, while urban residents every day for about 70% -90% of the time spent in various indoor environments. Imagine, indoor air testing on how important human health. A research shows that the US Environmental Protection Agency, indoor air pollution levels are generally 2-5 times more severe than outdoor, in special cases up to 100 times. US National Academy of Sciences estimated that the US health care costs each year due to indoor air pollution caused about 15 billion to 100 billion US dollars. Indoor air pollution has been attributed to one of five categories of environmental factors endangering public health. Hospitals in addition to formaldehyde | Yuexiu addition to formaldehyde | professional addition to formaldehyde provided by the Guangzhou Municipal Environmental Protection Technology Co. Nine. Nine Guangzhou Environmental Protection Technology Co. (www.cncdd.cn) (www.gzshuibao.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!