A need to focus on the part of the adjustment lever also examine shutters. Shutters adjusting lever has two functions, one regulating shutters lift switch, the other is to adjust the angle of the vanes. In the test, when adjusting rod, first try to pull the blinds hanging flat aluminum blinds sold, to see whether the smooth lift switch, then turn the lever to see if the leaves flip also flexible. Uniform gap; sash and the frame or edge of the adjacent fan standing parallel deviation should not exceed 2 mm, a device good aluminum doors should be closed tightly. Open. Open and flexible, with ease .2 aluminum sliding doors and shutters quality, fancy smooth glide path is installed, be careful not to have a bump phenomenon, gently push the doors and windows should slide freely. Vertical and horizontal frame 3 balcony aluminum window frame must be firmly fixed in the balcony railings and balconies top, usually with a nail or rivet fixed in concrete reinforcement applications lacquered fixed angle. Can not be fixed on the walls, nor can close the box instead of standing up and down the top gun fixed wedge. Slide up and down the top of the fence and aluminum blinds clearance specifications should all fill with cement mortar, to prevent rainwater poured into the room. 4 aluminum window profiles wall thickness not less than 1.4 mm, wall thickness profiles of the door should not be less than 2 mm. Aluminum door frames and wall thickness of not less than the fixed coupling 1.5 mm double Sediment Control is mainly used to adjust the blinds desert plants require steam ventilation room, boiler room and control House, which consists of having the ability to trap sand The sand prevention blades and vanes adjustable blinds, the blinds can not only effectively trapping sand in the air, but also can play an effective role in the rain during the rainy season, the air flow can also be adjusted according to the needs of the environment, for the desert ventilated areas provide a higher demand service. Quality aluminum blinds _ longtai metal (certified) _ Shades by Linqu longtai Metal Products. Linqu longtai Metal Products (www.wfhulan.com) Shandong Weifang, fence, fence, 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.