The manufacturing factory of Preair locates in Jiande, Zhejiang. The dehumidifier factory covers an area of 53,000 square meters, including several pieces of ecological greenery, a staff dormitory, production plants, environmental protection facilities, an office building, a testing center and other buildings with perfect structure. The factory also has fully automatic freezing dehumidifier workshop, sheet metal workshop, three fully automatic production lines, one semi-automatic line, laser CNC sheet metal production equipment, a set of large rotomolding production equipment, a dehumidifier automatic performance laboratory and other advanced manufacturing equipment. The factory is fully equipped and has an annual output of 1.2 million units of dehumidifier. Global Dehumidifier, Full Basement Dehumidifier, Duct Mounted Dehumidifier , Encapsulated Crawl Space Dehumidifier ,Greenhouse Dehumidifier . An industrial dehumidifier is applicable to a large area. A single dehumidification area of the dehumidifier is from 200 to 1200 square meters. Patented technology, strong dehumidification, high efficiency and energy saving are significant advantages of Preair industrial dehumidifiers. The product will supply to all over the world, such as Europe, America, Australia,Greece, Bhutan,Cancun, Guatemala.The temperature in summer is high. A high relative humidity will make the heat accumulate on the surface of human body, affecting the normal heat dissipation of the human body and making people feel hot and humid. The temperature in winter is low. A high relative humidity will accelerate the loss of heat of the human body, so that people feel wet and cold, greatly reducing physical comfort.