Zhejiang Preair Electrical Appliance Industry Co., Ltd. is an innovative enterprise committed to improving global humidity problems, taking scientific and technological innovation as its mission, aiming to build a world-class commercial and industrial dehumidifier leading brand and providing customers with professional system solutions in the field of humidity control. Indoor Dehumidifier, Dry Crawl Space Dehumidifier , Buy Commercial Dehumidifier , Dehumidifier After Water Damage ,Dehumidification Machine . Energy-saving robots (dehumidifiers) have been widely used in the manufacturing workshops of precision instruments, food and drug, libraries, archives, computer rooms, laboratories, banks, hospitals, tobacco warehouses, human defense projects, military warehouses, food industry, drug warehouses and other special places. The product will supply to all over the world, such as Europe, America, Australia,Mauritius, Bogota,US, Serbia.Humidity, i.e., the amount of water vapor in the air, is generally expressed in terms of relative humidity (RH). Humidity, temperature, air flow rate and fresh air volume are important physical parameters of indoor air quality standards.