Non Power Roof Fan

Qingzhou Yongsheng Machinery Co.,Ltd is one of the professional China non power roof fan manufacturers and suppliers, welcome to wholesale low price turbo roof fan from our factory.

Working Theory: convection between ;natural wind ;and air to accelerate and transform any parallel airflow into vertical so as to improve the indoor ventilation. The hot air rises and ;Cold Air ;falls, which makes the fan rotate. So the ;indoor heat, stink and dust are exhausted effectively. It also can effectively remove indoor soot, smoke, odor, moisture, heat, decorative harmful gas, dust, human metabolism and other dirty volatile mixed-doped odor as well as viruses and bacteria invasion.  

Working Result: it improves the working environment, protects workers' health and enhances the working efficiency.

Application Areas: warehouse, toilet, factory, workshop, stadium, tennis hall, assembly hall, garage, ;paper Mill, galvanization factory and coating factory.
◆Need no energy: Nature wind drives,operating in 24hs the whole day  
◆High efficient air & moisture removal capacity, better than that of similar products over 25%
◆Unique blade design with smart operation and wind-proof & rain-proof
◆Imported bearing, free lubrication,no noise and free maintenance
◆Unique variable angle tube help to realize easy installation
◆High-quality stainless steel body. Supporting brackets are all made of stainless steel, which has very good corrosion-resistant ability.
◆Environmental protection, energy saving and ;no electricity ;cost.
     

Stainless Steel Roof Fan                           

Color Steel Plate Roof Fan