... ,centrifugal ventilatorIntroduction of centrifugal ventilator,centrifugal fan,fan,ventilator, blower,air blower,exhaust fan,ventilation fanFRP is a new-type ... scientific research,etc. department make to arrange hand over,exchange air.The efficient is high, noise is low, pressure ... compactness, whole gas flow, Have improved the motive force performance of air. 2.Chassis adopt glass fibre reinforced ...