Roof ventilator 1.most favoured by industrial factories 2.driven by wind environmetal protection,save cost 3.exhaust greatly Roof ventilator driven by wind  Specifications of Aipu 20'' roof ventilatorModel NO.Aipu...

1.used widely 2.low noise 3.low cost 4.save more electric The advantages and construct of productAll made of a new material PP, never use the used material. The total weight of plastic is 37kg.Made up of 3 vanes, with strong structure, low noise and large flow.Sink is deep,...

1.corrosion resistent 2. high efficiency in vetilating 3. energy saving and long life span 4. withstand severe rain and wind Roof  fan driven by wind  Specifications of Aipu 20'' roof fanModel NO.Aipu...

1.used widely 2.low boise 3.low cost 4.save more electric The advantages and construct of productAll made of a new material PP, never use the used material. The total weight of plastic is 37kg.Made up of 3 vanes, with strong structure, low noise and large flow.Sink is deep,...

1.used widely 2.low boise 3.low cost 4.save more electric The advantages and construct of productAll made of a new material PP, never use the used material. The total weight of plastic is 37kg.Made up of 3 vanes, with strong structure, low noise and large flow.Sink is deep,...

Roof ventilation fans 1.widely favored by industrial enterprises 2.operated without electric 3.strong power of exhaust Roof Ventilation Fans Made by Aluminum Fluorocarbon PolyesterAdvantages of roof ventilation fansStructure of high-qualityThe strict ball-shape structure and...

1.15 years' warranty 2. high efficiency in vetilating 3. energy saving and long life span 4. withstand severe rain and wind The roof ventilation fan applies the theory of convection between natural wind and air to accelerate and transform any parallel airflow into vertical...

1,use natrual wind instead of electric,save cost 2,purify indoor air 3,easy to install 4,continue working even in breeze The roof ventilation fan applies the theory of convection between natural wind and air to accelerate and transform any parallel airflow into vertical so as...

1.cool the air 2.environmental protection 3.easy to install 4.can be applied to many places    Operation Principles    Non-power fan applies the theory of convection between natural wind and air, which can accelerate and translate any parallel air flow...

1.used widely 2.low boise 3.low cost 4.save more electric The advantages and construct of productAll made of a new material PP, never use the used material. The total weight of plastic is 37kg.Made up of 3 vanes, with strong structure, low noise and large flow.Sink is deep,...