Yantai shutters | blinds installation | longtai metal provided by longtai metal. Linqu longtai Metal Products (www.wfhulan.com) have been "business alliance certification", please rest assured purchase through the entire network, click on the page query "Business Alliance Certified icon" of our authentication information. You can also click on the "Business Alliance Customer Icons" on this page directly contact our customer service! Until the Tang Dynasty, folk are represented with mullioned windows. In the Ming dynasty, lying lattice windows have great development. Song pagoda made on a variety of diverse mullioned windows, also made in the Ming Dynasty pagoda lying lattice windows, particularly instances, those blinds is the predecessor. Window frames, no more than several styles, not the bar is the vertical bar. The bar that is the prototype of the blinds. Strictly speaking, lying lattice windows and shutters are a little different, and that is lying lattice windows and gaps paracytic transparent. Window frames made oblique lattice shutters, inside and outside the unseen horizontal direction, only to see before they can see the slope. In ancient times, people make wooden window frames, it is mainly used to achieve the purpose of ventilation and air circulation, while nearly blinds shutters generation through various improvements, has set a number of functions in one, for a variety of buildings. Shutters fitted with two concealed and surface mounted installation shutters, blinds need to take the size of the amount, depending on the way the assembly time of purchase. Concealed in the window lattice lattice shutters blinds price, its length should be the same height as the windows, but the width than the narrow windows on each side 1 to 2 cm. If the blinds hanging out outside the window blinds installed, then its length should be the height of about 10 cm in length than the window width of each about 5 cm wide aluminum blinds over the windows on both sides of the picture, in order to ensure that it has a good shading effect. Generally, kitchen, toilets and other small rooms suitable for concealed installation of blinds, and a living room, bedroom, study, large rooms are more suitable for use out-he installed blinds.