State of the global air system Industry UK: new air system policies and regulations "Clean Air Act" in 1956, the British government first issued the "Clean Air Act", 1974, "Air Pollution Control Act," in 2001 the City of London published "draft Air Quality Strategy." 1977 to 1999, sales of new wind system in the UK for 75 million units, 97.81% of the indoor environment has installed a new ventilation system. Whether it is the office, or school, bar, install a new function with a replacement air ventilation system has become the norm, now in London, you'll find that each family will install a new ventilation system to two sets. United States: New air system policies and regulations "Clean Air Act" enacted in 1970 the United States 'Clean Air Act', for each air pollutant are prescribed statutory maximum limit, 1977 revision of the Act again, designated air quality control region, the development of environmental quality standards and require states to develop implementation plans! 1975 Wall fresh air, annual US sales of new ventilation system is 50 million units in 1994 to 800 million units in 2005 to break 21 million units. The United States today, indoor installation of new air system, like the purchase of television sets, refrigerators, become an essential appliance, even without windows, and also keep the indoor air fresh! China: new air system policies and regulations "indoor air quality standards," "Indoor air quality standards" are made by the State Administration of Quality Supervision, Inspection and Quarantine, the State Environmental Protection Administration, the Ministry of Health. On March 1, 2003 formally implemented, provides 30 cubic meters of fresh air per hour. Since 2003, China to improve indoor air pollution gradual emergence of a range of products, the arrival of the new air system, and fundamentally improve the indoor air quality. Indoor environmental pollution hazard 12 kinds mainly based on years of practice in environmental monitoring and governance Wall fresh air brand, and summarized the indoor environment pollution hazards 12 kinds mainly wall hanging new wind, publicity to the public, please according to The following performance of self-judgment. 1. Get up every morning, feeling oppressed, nausea, dizziness and even; 2. family often susceptible to colds; 3. Although not smoke hanging new wind prices, also had little contact with environmental tobacco smoke, but often feel uncomfortable throat, foreign body feeling, shortness of breath; 4. home children often coughing, sneezing, decreased immunity, newly renovated house children do not want to go home; 5. family often skin allergies and other illnesses, and is a mass of; 6. total family a disease, but after leaving this environment, there are significant changes and improvement in symptoms; 7. newlyweds no longer pregnant, can not find the reason; 8. Pregnant women in normal pregnancy fetal malformations; 9. The new move or a new After the renovation, indoor plants is not easy to survive, easy to yellow leaves, withered, especially some of the vitality of the strongest plant is difficult to grow normally; 10. After the new move, domesticated cats, dogs and even tropical fish die somehow, and neighbors the same way; 11. office environment, a sore throat feeling to work there, respiratory dry, long time, dizziness, fatigue, after work is no problem. And other staff in the same building have this feeling; 12 newly renovated home and office room or buy new furniture glare, pungent, spicy smell, but the smell still lingers over a year. Wall ventilation, fresh air Qufu wall, Hirono Environmental Engineering (View) provided by the Shandong Environmental Engineering Co. Hirono. Hirono Shandong Environmental Engineering Co. (www.zdhjgc.com) is an industry leader in Shandong Jining, fans, ventilation equipment, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Hirono leadership in environmental engineering staff warmly welcome all inquiries negotiations to create a wide field of environmental engineering a better future.