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 pull the blinds hanging flat test to see whether the smooth lift switch, then turn the lever to see if the leaves flip also flexible. Air conditioning grille with a long time, there will be dust, debris and other pollution, thus affecting the use of air conditioning effect. So to maintain good air conditioning grille will improve its life. General air conditioning grille with the horizontal angle of 45 to 60 placed aluminum blinds sold inclination hour, compared with the clean-up effort, but the area is greater. Manual cleaning of air conditioning grille, the design area should adopt a larger safety factor, generally not less than the effective area of ??the inlet canal twice, in order to avoid too frequent cleaning residue. Special attention should be harmful gases harm to the operator, and shall take effective preventive measures. Manually adjustable shutters with double rain rain in need of ventilation, insulation regulate air flow room or other public places, it is both the band side frame gullies with rain dripping leaves and frame, streamlined regulation of leaf structure, it not only has the advantage of a single layer of the shutters, but the staff also depending on the temperature or ventilation quantities needed in the house, to adjust the size of the opening angle of the blinds. Flexible adjustment quality aluminum blinds shutters, solid shutters, that you do not need to add a lubricant, no noise, good sealing performance. Sediment Control Manual shutters double blades from sand prevention and can adjust the size of the blade angle constitute size aluminum blinds, shutters not only can effectively gather dust in the air, in the rainy season when rain can play effect . Needed when the air conditioning airflow can ventilate needed. Aluminum blinds Suppliers | shutters | 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!