DC axial fan is suitable for almost all the places that need cooling, ventilation and ventilation, such as factories, supermarkets, offices, hotels, hospitals, stations, gymnasiums, dance halls, auditoriums, meeting rooms, schools, factories and other places.  Especially suitable for high temperature or odor of industrial production workshops, such as chemical plants, textile factories, electronics factories, machinery factories, clothing factories, injection molding factories, hardware factories, shoe factories, ceramic factories, electronic appliances, Internet cafes and other factory workshops, as well as flowers greenhouse, breeding and other places of the overall cooling ventilation.