CZR series is a single-phase capacitor running motor driven centrifugal AC blower; CZT by three-phase AC closed asynchronous electric drive centrifugal AC blower. With a large amount of wind, high pressure, power consumption, low temperature, beautiful and so on. Widely used in the family, canteens, small boilers, iron and other combustion occasions and blown film, but also for the use of air cooling.