Qingzhou Yongsheng Machinery Co.,Ltd is one of the professional China light trap manufacturers and suppliers,Website:http://www.qzys-exhaustfan.com, welcome to wholesale low price light filter, light hood from our factory. The light hood usually sued in poultry house and where need control the sunlight place.FeaturesYongsheng Light hood make of no glare PVC materials, the product anti-aging, chemical resistant and high pressure washable.Vanes connect by lock catch, increase the contact area,more fastness.Reasonable design, different size product is available, very simple assembled.The frame have two different material, stainless steel material and galvanized sheet material.