Aolan is the maker and drafter of National Standards for China evaporative Air cooler.Evaporative Air Cooler,Liquid Desiccant Air Conditioner,Evaporative Cooling Media,Wet Film Humidifying Media,HVLS Fan,D.P.T.Cooling Tower,lndirect Evaporative Air Cooler,Air Purifier. We manufacture and offer over 80 kinds of evap products, including Liquid Desiccant Air Conditioner, Evaporative Cooling Media, and HVLS Fan.Aolan is one of the international professional air handling solutions suppliers, products are widely used in industry , commerce, agriculture, communications, service industry,health care, education, household and manyother industries and fields around the world, to provide customers with energy-saving air handling solutions.