Ultimate, Extreme, New Technique1. To propel higher volume of air efficiently with lower power consumption.2. Circulate the air of extensive area.3. Dual-functions: ventilation and reduce temperature.4. Operate the air-conditioner with the fan can greatly reduce the load and increase the ventilation; thereby, advanced the feeling of comfort.5. Unique design and material of the aluminum alloy blades.6. Particular aerodynamic designed winglets, low rpm but high-volume airflow.7. Reversible functions: In summer, the wind turning downwards, accelerate the cooling effects. In winter, reverse the wind upwards, circulate the heat from the ceiling, enhance the air circulation.8. Suitable to installed at any high ceiling pattern spaces, factory, warehouse, livestock building, greenhouse etc.