In today's continuous improvement of people's living standards, in the face of living, office, catering and other fields all have higher requirements, decoration style is gorgeous and style. Many owners are dazzled in the face of decoration materials. Although different types of materials make us have unlimited choice in housing decoration, most of the decoration materials contain trace elements harmful to human health, which can not avoid various indoor environmental pollution problems after decoration. The fair faced concrete hanging board can be called a real sense of green environmental protection decoration materials, it will not appear secondary pollution, avoid many decoration materials will emit harmful substances to human body.

According to the World Health Organization (who), the number of deaths due to indoor environmental pollution has reached 2.8 million every year. CCTV-2 economic information broadcast: Beijing, Shanghai, Shenzhen three major cities, formaldehyde exceeded the standard of 79%, 82% and 81%, respectively. Indoor air pollution is a serious threat to human health. Newly decorated rooms, often appear toxic gas and other excessive phenomenon, generally ventilation for a period of time to move in. However, the density of formaldehyde is higher than that of air, so it is difficult to remove formaldehyde only through window ventilation. At the same time, most of the harmful substances are released slowly, ranging from 1-2 years to 5-10 years. It is not a matter of months' ventilation.