Specifications: It is composed of fan blade made from high-quality cold-rolled steel sheet, single-phase capacitance type and induction motor and crust, used to freely fan and reduce temperature in high-temperature workshops in some enterprises such as metallurgy, machinery manufacture, glass factory, the manufacture and repair factory of vehicle and ships, and kiln and porcelain production, etc., also used in food service field, food process and other high-temperature work place, etc.