The Hefei stainless steel ventilation wholesale price of the Shenzhen stainless steel ventilation device manufacturers suppliers 
 Stainless steel ventilators it works: the use of hot rising air-conditioned decline in natural airflow phenomenon, the use of free power turbine exhaust exhaust fan, heat, exhaust gas out, the indoor temperature dropped to adjust the temperature and the effect of the exchange of fresh air, so that the indoor staff feel cool and comfortable. 
 Excellent magical features: 
 Free electricity, and maintenance-free: 
 Reduce the short circuit or power overload Road caused the fire broke out and a lot of unnecessary trouble. 
 (2) high sensitivity: 
 Only 3.2 kilometers per hour breeze, you can weather operation to achieve the purpose of exhaust ventilation. 
 (4) durable: 
 Fan use of imported bearings, no lubrication, wear resistance, leaf bearing seat 304 # stainless steel, acid and alkali, anti-corrosion, long service life more than a decade. 
 (5) anti-rain: 
 The centrifugal force generated when the fan running, the rain is absolutely unable to penetrate. 

 Purposes: 
 Generate air convection, the row of cooling gas. 
 Reduce air conditioning load, increase the indoor fresh air. 
 Out the roof moisture, Meiqi,, steam to keep the roof dry. 
 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 is up to domestic specifications, one of the most complete variety of manufacturers