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. Product sales face strong market competition, our factory always adhere to the manufacturing quality products, commitment to integrity, excellent service up to maximum customer satisfaction contact: King Star Sales Tel :0635-8322238 13906356805 over the surface of the country, after-sales service worthy said class.