 Established in 1999, PREAIR specialized in solving air humidy adjustment and control over 20 years
 Our factory has 53,000㎡ footprint. Which is the intelligent production base can provide the output of 1.2 million units an annual.
 20 years of technology accumulation, over 2,000 project items experience
 39 patented technologies, national high-tech R & D center
 Facilitate the development of the dehumidification industry