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A wind-driven ventilator that is installed on the roof top or on the wall to provide effective ventilation for all kinds of buildings. A good choice to get clean air, to increase working effect and to get good working environments.

A wind-driven ventilator that is installed on the roof top or on the wall to provide effective ventilation for all kinds of buildings. A good choice to get clean air, to increase working effect and to get good working environments.



