Now-power roof fan

1) Automatically operate.Save labor, save time.

2) No operating cost, no electricity consumption, environmental protection, energy-saving

3) No maintenance needed, life-long service

4) Light weight, strong and durable construction

5) Weather resistance, strong fray resistance, fine non-validity, self-cleanness, high revolving sensitivity and high air venting efficiency.   

6) Easy installation. Installation Position: flat roof, pitched roof, concrete roof and contour plate of various industrial plants.

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