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.

Developed and produced the first low dew point dehumidification unit in China.

Paper Making Institute was reformed and Hangzhou Dry Air Treatment Equipment Co.,Ltd was established.

Be honored as Provincial High-tech Enterprises.

Dehumidifier for armored vehicle in Military application is developed. 

Be honored as National High-tech Enterprises.

Hangzhou Jieer Environmental Engineering Co.,Ltd was founded to undertake turn key dry room system.

Deep condensation technology is applied to DRYAIR VOC abatement system. 

ZCR Series Desiccant dehumidifier with low reactivation temperature is developed.

Developed high-temp air rotor dehumidification technology.

Developed mid-temp regenerative desiccant rotary, which already used in Tesla Nevada Gigafactory in Dec. 2020.

Developed single rotary low dew point dehumidifier.