The fan angle of water tower adopts the advanced engineering plastics to make for the flowing type of the adjustable axle, and the strict balance makes a reservation before being dispatched from the factory. Motor for being all closed, can apply abominable climate of the environment Shell body and water one adopt the glass steel material to make, durable in use, reduce the cost of upkeep. Heat dissipation film is it able to bear high temperature hard polyvinyl chloride stretches of material make, enter ink temperature can up to 54 degrees Centigrade to adopt, hot exchange energy is high.