About Us

We specialize inRotary heat exchangers, rotary dehumidifiers, and heat-recovery fresh-air units's R&D and manufacturing provide integrated industrial exhaust energy-recovery and humidity-control solutions for grain drying, data centers, pharmaceutical cleanrooms, spray/painting, lithium-battery drying, and commercial buildings. As part of Shandong Qiyu (air69) heat-exchange product system, we have in-house core-media design and manufacturing capabilities and customize sensible/total heat recovery and low-dew-point dehumidification solutions to each customer's operating conditions.

contact us

For a selection calculation sheet or technical proposal, please contact us by phone or email; we will respond within 1 business day.

Quick:Product CenterApplication CasesSizing GuideOnline InquiryEco:Air Heat Exchanger (air69)Qiyu HVAC (en159)169e Hardware / AI
en_USEnglish