Strong Force Electric Fans are commonly used in the workshops, warehouses, basements, canteens, etc to prevent sunstroke and lower temperature.The ambient temperature should not surpass 40 deg C,and there should be non-corrosive gas and no granulated dust in the air.The fans are mainly composed of motor,swinging part,blades,net enclosures and wall-mounting or standing holders.The Aluminum blades have been static balancing corrected and run steadily.