Radon to be included in the indoor demerit IARC carcinogens important, must draw our attention. Formaldehyde known as formalin, is a colorless, pungent gas with a strong odor, and its 35% to 40% aqueous solution known as formalin. Formaldehyde is a protoplasmic poison, can be combined with the protein, after inhalation of high concentrations of formaldehyde, there will be serious respiratory tract irritation and edema, eye irritation, headaches, bronchial asthma may also occur. Direct skin contact with formaldehyde can cause dermatitis, pigmentation and necrosis. Often a small amount of formaldehyde inhalation experiments Chuzhou materials, can cause chronic poisoning, mucosal congestion, skin irritation, allergic dermatitis, keratosis and fragile nails, nail bed finger pain, pregnant women, newborn babies long-term inhalation may cause deformity and even death Chuzhou Building materials, men can lead to long-term inhalation of male sperm deformity, death, decreased sexual function, may lead to a serious lack of reproductive capacity, systemic symptoms include headache, fatigue, poor appetite, palpitations, insomnia, weight loss and autonomic disorders. 7, Harbin blood tumors admitted last year more than 1500 cases of children's blood patients are indoor environmental pollution. 8, March 2003, Mr. Lu purchase a modified import cars, later found the car pungent smell unbearable, Lo and drivers always head a small piece of hair loss symptoms, tested excessive levels of formaldehyde inside the air 26 times . 9, December 14, 2001, Beijing Children's Hospital director Dr. Zang Yan told the media: a year since the admissions of children with leukemia, the patient's family has been renovated within six months of the nine eleven. 10, the citizens of Nanjing Li and his mother with a risk of aplastic anemia, Chuzhou materials tested CMA testing and found that the newly renovated room Chuzhou formaldehyde 12.6 times the standard building materials, exceeding 3.3 times the volatile organic compounds. 11, World Health Organization concerning Data show that the global number of people die each year due to indoor pollution reaches 2.8 million! China's annual number of excess deaths due to indoor air pollution caused by up to 11.1 million, exceeding the number of clinics up to 22 million passengers, up 4.3 million over the emergency number people. Severe indoor pollution in causing losses to people's health, but also caused huge economic losses, only 1995 of the economic losses due to indoor pollution health hazard that caused up to $ 10.7 billion. Chuzhou materials report, CMA qualification (certified), Chuzhou, Chuzhou materials provided by the Green Ribbon Indoor Environmental Services Limited. Chuzhou Green Ribbon Indoor Environmental Services Ltd. (www.lsd5188.com) is a leader in Chuzhou, Environment Projects, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the Green Ribbon environmental leadership with the staff warmly welcome all inquiries negotiations to create a better environment green ribbon future.