About Us


Established in in 1990


Our factory has 53,000㎡ footprint

2,000 projects

over 2,000 project items experience


39 patented technologies
 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