Road of flue support each other strings of smoke and odor phenomenon is the big problem is directly related to people's livelihood. Ranging from pollution of the indoor environment, while life-threatening carbon monoxide poisoning, which must be addressed. Support Road of range hoods have anti-down valve, anti-down valve in case of failure how to do? The smooth flow of the total flue exhaust is the most secure guarantee of support Road. The key components of this problem is the total flue hood can not be a good wind, enter the flue wind damage pressing effect of the total flue so that the total flue can not be smooth smoke due, so that the original , simple, windproof performance of the various flue hood is not suitable for the present development needs of life, should be eliminated all the innovative new generation of wind flue cap is imperative. 
 The Liaocheng sun Stainless Steel Co., Ltd. specializing in the production of free power - roof ventilation products, with more than 20 sets of large and medium-sized stamping equipment. With ventilators researchers, more than 160 product models, 200, 300, 400, 500, 600, 680, 800, 880, and all kinds of special-shaped ventilation, has a professional installer. Welcome customers counterparts at home and abroad visit the guide. 
 In recent years, under the joint efforts of the company engineering and technical personnel, factory production of free power - roof ventilation domestic specifications, the largest and most complete variety of manufacturers. 300, 360, 450 is mainly used for residential buildings, the floor of the villa 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.