Everyone thinks interior surface is relatively safe and clean, but let us surprise: decoration pollution: radon, formaldehyde and other harmful chemicals persistent serious threat to human health. Domestic pollution: indoor smoking odors and fumes from gas, bathroom odor generated by kitchen, as well as the breeding of mold due to humidity and mites. Environmental pollution: pollution is particularly serious in the outdoor environment cities and regions, a day window ventilation has become the largest source of dust into greatly increased the difficulty of cleaning. To sum up, install a new air system clean indoor air is necessary. Honeywell air system, the Chinese standard brand new style, trying to create a clean space for the family to free Tel: 4000551701 Tel: 0551-64229861 / 64229820 Online QQ: 480459812 Website: www.yckjxf.com http: // ychb8888 .b2b.hc360.com