Annual Orlando Refrigeration Exhibition AHR was held on February 3, 2020.

On September 25-28, 2019 Thailand Bangkok HVAC refrigeration purification exhibition-Bangkok RHVAC was successfully held in Bangkok International Trade Exhibition Center.

January 14-16, 2019 American Atlanta International Refrigeration and heating Exhibition (AHR) was held in Atlanta.

On March 13-16, 2018 MCE Milan exhibition was held in Milan International Exhibition Center. Zhejiang Preair Electric Appliance Industry Co., Ltd presented and brought its household, industrial and many other dehumidifier products.

Chilventa 2018 was held in Nuremberg from October 16 to 18, 2018. Zhejiang Preair Electric Appliance Industry Co., Ltd. Presented. It carried the series of their professional and efficient industrial dehumidifiers.