most economic ventilator natural wind fan

• It is low to operate the fee shuangyi 
  
    most economic ventilator natural wind fan
• Selecting the large energy-efficient diameter air blower for use, the wind amount is heavy , the power is small, energy consumption is low, operate the expenses sparingly for users effectively; Can select many speed electrical machineries for use according to user‘s enquiry , can be according to the amount of wind adjusted of change of the environment temperature, reduce and operate the expenses further. 
  Low noise of environmental protection 
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  Low rotational speed air blower , high to lure swimming skill eliminate noise cushion , streamline shape charge water device effective cooling tower impact on environment , DFN of control ,. 
• Attractive and durable 
  
  The shape of the tower is beautiful , merge with the building perfectly; Top layer is it import colored glue clothing to adopt, include ultraviolet absorbent inside, bright and clean such as the mirror, resist and wear out , it is difficult to fade. Customers can choose the body color of the tower according to user’s enquiry. The tower body is light and handy 
  Adopt FRP composite in a large amount, fever for Israel soak zinc light-duty steel as skeleton, pass Solid Edge CAD optimization design.

200-800mm natural wind fan

• Note: Generally speaking, the average wind speed is 3.4m/s (force 3 wind ) throughout the year, the internal and external difference in temperature of the room is 5 degrees Centigrade; If outdoor difference in temperature>, 5 can proper to increase the quantity of installing.

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• Certification