1. Low power consumption 2. Low noise 3. High wind pressure 4. Low air flow capacity 5. The fans make use of several single suction draught and axial admission 6. Drive method: Safe and reliable asynchronous motor axis and belt 7. Direction of rotation can be customized 8. The fan structure use cast iron, cast aluminum and steel plate for opinion, according to the technology to choose 9. The material of impeller use riveting aluminum plate, Cast aluminum and steel plate which has the
