1. Using high-quality stainless steel, stamping forming blades，smooth, durable， energy saving, used for factories, shopping malls, garden house, and other places.
2. Shutters automatically open and close to achieve dustproof, waterproof, beautiful; can be used as a blower or ventilation.
3. Customized dual-network fan or dual-network & ventian type fan for special situation. Dual-network fan mainly used in large indoor space, enhance air convection. Dual network & venetian type fan used for the lower level workshop, not easy to access the blades, safe and effective.

Exhaust ventilation fan 

exhaust ventilation fan Accessories:

Exhaust ventilation fan blades, motor, frame, grille, support stand, shutters and other components.
exhaust ventilation fan generated airflow. Window-blinds can be automatically open and close to prevent outdoor dust and foreign matter from entering, also avoid the impact of rain, snow and wind.

Exhaust ventilation fan

Exhaust ventilation fan Features:

Outer frame used advanced automatic numerical control equipment processing, high precision;
Special thick galvanized layer, anti-corrosive;
High-strength aluminum alloy die-cast wheel hub, the new stamping twisted blades;
Reasonable airfoil angle can reach the maximum air flow;
Precision microcomputer aided manufacturing system allows the fan to maximize performance.