Aluminum ventilation louvers on people's doors and windows not only to meet energy requirements of quality, greatly improved people's activities in environmental quality, energy conservation and the state facilities to reduce greenhouse gases carbon dioxide emissions, and environmental protection have a positive significant impact, has high social benefits, its application developers with low investment costs for wood shutters, but also has a good energy saving economic returns. Aluminum ventilation louvers having unique properties: sound effects: a sealing slot, tops, close together when finished, double hollow structure to maintain the indoor temperature hot galvanized shutters, isolated outdoor temperature between the blade and the mounting bracket, leaves all closed indoor noise can be reduced 30 db and on, when air conditioning and refrigeration also can greatly save energy. Ventilation windows (shutters) is a lot of villas, luxury of choice, do not constrained conditioning, virtual partition space blinds manufacturers, typical fashion, green dumb, cut off GM product. It can be used as high-grade curtain for the inside of the doors and windows; or used to do cut off, and cabinets. Allowing you to both enjoy the sun, but also have your privacy; also widely used in villa window. Continental ventilation windows (shutters), solid wood ventilation windows (shutters) accounts for over 60% of the window with the amount of jewelry. Specifications are divided into 2.5 inches, 3.5 inches, 4.5 inches. Style folding, pull-down moving blades, three-dimensional shape) are two flat fixed blades pull the blinds, internal and external push-pull, ellipse) on. Wood blinds, longtai metal (certified), Fuyang shutters by Linqu Longtai Metal Products. Linqu Longtai Metal Products (www.wfhulan.com) Shandong Weifang, Fence, bar, network leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . In longtai metal leadership with the staff warmly welcome all inquiries negotiations to create a better future longtai metal.