... 2.ISO9001 certificate 3.different material 4.good quality,best price,best service Centrifugal Fan Air Blower Made In China Cell: ... low fan products, cement, electric power, chemical industry, steel, environmental protection, papermaking, boiler, food processing, metallurgy, ... Air Volume3772~67803m3/h Speed960~3150r/min CertificationISO9001:2008 Total Pressure742~7165Pa Temperature: 250°C Driving Mode ...