Binzhou unpowered fan manufacturers 
 Shenyang unpowered fan price sunlight 

 Power fan is the use of the nature of the natural wind speed to promote the principle of the turbine rotation of the fan and the indoor and outdoor air convection, any parallel to the direction of air flow, accelerated into the bottom-up vertical air flow in order to improve indoor ventilation effect of a device. The fans do not use electricity, impatient tone, long-term operation. Air laws of nature and the air flow principle, rationalized set at the top of the roof can quickly discharge the indoor heat and foul gases, improving the indoor environment. 
 Non-powered fan purposes: 
 1, resulting in air convection, the row of cooling gas. 
 To reduce air conditioning load, increase the indoor fresh air. 
 3, out the roof moisture, Meiqi,, steam, keep the roof dry. 
 4, instead of heavy-duty electric exhaust fan to reduce the cost of stents to save electricity, and subtract the noise. 



 The Liaocheng Sunlight Stainless Steel Co., Ltd. is currently the only one specializing in the production of roof ventilation equipment manufacturers. In recent years, under the joint efforts of engineers and technicians, factory production of free electricity --- roof ventilation domestic specifications largest, most complete variety of manufacturers, one of which 300, 360, 450, with in residential buildings, villas floor roof ventilation mouth, 500, 600, 680 is mainly used for factory workshop and large public places ventilation exhaust. Full stainless steel body, cast aluminum support a special double-sealed bearings. The products sell all over the surface of the country, first class after-sales service. Windmill - wind pump fuel, no electricity, the manufacture of fine, that is able to start. Tower fan blade diameter of 5-10 meters, nine kinds of specifications can be designed and manufactured according to different needs. Colorful weathervane is widely used in the park, the green band edge, the villas and corporate production environment, it can not only indicate the wind direction and speed level but also add a touch of dynamism and harmony to your environment. Face of strong competition in the market, we always adhere to the manufacture of quality products standards, commitment to integrity, excellent service up to customer satisfaction 

 Contact: King Star Sales Tel :0635 -8322238 
 13906356805