FRP roof fan belongs to a fan, which is mainly used in ventilation office buildings, laboratories, factories, homes and other buildings, but can also be applied to send power generation, chemical industry, food processing and other industries and senior civil air and exhaust. Because of its wide range of applications, thus more common. FRP roof fan FRP glass steel impeller molding. Variable angle cross roof fan impeller blade piece cast aluminum casting molding. Impeller static and dynamic balance, balance accuracy is not greater than G5.6 level. FRP roof fan shaped casing welded steel, fiberglass roof fan casing glass forming a steel, glass steel fan hood molding. This exclusive information is responsible for collating the www.dzjiaxing.com