Power ventilation fan Ventilation fan system is the best cooling system widely used in many places like, big hall, supermarket, chemical plants, big factory workshops etc. Negative pressure ventilating fan series are designed scientifically. Low cost, low noise, good ventilation effect, strong air flow, energy saving, long lasting and high efficiency. Features: High quality exhaust fan, industrial ventilation fan Centrifugal system Low price, low noise Big wind volume Power ventilating applicable Industrial field: textile, clothes making, glass, rubber, food processing, etc. Civil field: super markets, cyber club, big dinning hall, waiting room etc. Agriculture field: large farms, green houses, animal houses etc.
