1973/10~1975/12
Dryair's Predecessor----Paper Making Institute，developed and produced the first desiccant wheel in China, and then beginning to provide high-performance dehumidifier for major industries in China.
1989
Developed and produced the first low dew point dehumidification unit in China.
2004
Paper Making Institute was reformed and Hangzhou Dry Air Treatment Equipment Co.,Ltd was established.
2006
Be honored as Provincial High-tech Enterprises.
2007
Dehumidifier for armored vehicle in Military application is developed.
2011
Be honored as National High-tech Enterprises.
2014
Hangzhou Jieer Environmental Engineering Co.,Ltd was founded to undertake turn key dry room system.
2015
Deep condensation technology is applied to DRYAIR VOC abatement system.
2016
ZCR Series Desiccant dehumidifier with low reactivation temperature is developed.
2017
Developed high-temp air rotor dehumidification technology.
2019
Developed mid-temp regenerative desiccant rotary, which already used in Tesla Nevada Gigafactory in Dec. 2020.
2021/12
Developed single rotary low dew point dehumidifier.
2023/11
Shaft its name into Hangzhou Dry Air Intelligent Equipment Co., LTD.