Aluminum windows and doors require an accessory materials, doors, windows and accessories: must meet the design requirements and specifications should be consistent with national standards. 2, and springs: Before the door to spring, should be stainless steel or copper surface surface, installed after the official use, should be around, adjust the opening and closing speed, ease of use. Hydraulic part can not leak. Can also be used fixed doorstop. 3. Lock: should be open-sided safety lock. 4. Push Hands: made of stainless steel, aluminum or copper. 5, the pulley, the pulley bracket: optional hard nylon pulley wheel, pulley frame shutters price, usually of galvanized steel products. 6, sealing materials: rubber seal should be used in conjunction with a waterproof sealant. Aluminum blinds, can block the hot sun, block the strong ultraviolet radiation, to bring people a hint of coolness. In fact, aluminum blinds can stick indoor temperature, so cool. It is also very easy to adjust the angle of sunlight, control incoming light, can not be bound to the most appropriate conditioning vane position. Aluminum blinds in addition to resist ultraviolet radiation outside, but also conditioning the interior light; aluminum blinds fixed installation and thick texture, can enjoy cool breezes Shu-hearted and no other scruples; aluminum blinds stacked layers overlying style design ensure that the privacy of the home. We can choose to use aluminum blinds to protect the role of the air conditioner, if the air conditioner installed on the outside of a both beautiful and blinds company can stain, anti-dust, aluminum blinds, it is achieved through things, the one protect their own air conditioning, indoor environment to ensure the building shutters, and secondly to achieve a beautifying effect outdoors, if we can do if the blinds uniform, I believe that our city will become more beautiful and neat. The most useful is to use aluminum blinds to cover some of the design flaws in the room, for example, the room is very small, not wide enough, then we can choose aluminum blinds vertical stripes, to achieve the effect of an elongated room, aluminum alloy blinds to bring this visual effect is not negligible, if any friends feel that their home does not look very wide, you can try this method, maybe this will bring you aluminum blinds not the same feeling. PVC blinds | blinds | longtai metal provided by Linqu longtai Metal Products. Linqu longtai Metal Products (www.wfhulan.com) strong, credible, Shandong Weifang Fence, bar, network, and other industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead longtai metal and you hand into the brilliant, for a better future!