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Shandong Qiyu (air69) rotary heat-recovery product system coversRotary heat exchangers, rotary dehumidifiers, and heat-recovery fresh-air unitsThree major series, widely used across industrial and commercial scenarios such as grain drying, data centers, pharmaceutical cleanrooms, spray/painting, and lithium-battery drying. All cores can be customized by airflow, material, efficiency, and installation dimensions.
Desiccant Rotor Dehumidifier
Silica-gel / molecular-sieve rotor, outlet dew point down to -10°C — ideal for low-humidity workshops.
Energy-Recovery Ventilator (ERV) Unit
Integrates rotary heat exchange + filtration + VFD for energy-saving fresh air in commercial / clean-room plants.
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