The form of a roof fan specifications and wide range of applications, according to occasions and air flow, pressure and noise requirements. Smooth operation, long life: the moment of inertia is small, moving smooth and high precision, stable operation, and various performance indicators within the enterprise in the modern standard requirements are higher than the fan industry standards to ensure that the fan a leader in the peer. Wide range of applications: This fan can be used according to requirements made explosion-proof applies to flammable, explosive and corrosive gases occasions forced ventilation; 
 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. In the face of strong competition in the market, our factory always adhere to manufacturing quality products for the guidelines, which insists on integrity, excellent service up to maximum customer satisfaction contact: King Star Sales Tel :0635 -8,322,238 13,906,356,805