1. nonrupturable or punching punching blades have flash. ⒉ uniform sanding blade should be noted, in particular, easy sanding two sides of the blade, resulting in both sides of the rough edges. 3. Due to the use of different wood grain to produce different colored painting of difficulty varies, color is not easy to master, while generally rests proofing, offers a wide deep / shallow for the customer to confirm it, and must be retained with a respective cutting blade more accurate. 4. Note that the number of leaves and leaf thickness and length of the finished hanging prevent factories cut corners. 5. bend aluminum blinds are particularly important, should not exceed 12 degrees, to prevent blade deformation. 6. It should be noted the entire window Blades of flatness, should not be bent or banana-shaped deformation zone shall positive / negative repeatedly checked. 7. films from top to bottom through the entire window, in turn pale color / medium / dark adjustment, especially in the middle part of the visual whole window is very important. Manually adjustable shutters with double rain rain in need of ventilation, insulation adjust the room air flow or other types of public places blinds, it has both sets of the side frame with leaves and with rain dripping gutter frame and streamlined adjusting the blade structure, it not only has the advantage of a single layer of the shutters, but also according to the staff room temperature or ventilation quantity required shutters, blinds open to adjust the size of the angle. Flexible adjustment shutters, solid, and 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 configuration, the blinds can not only effectively gather dust in the air, in the rainy season when rain can play effect. Needed when the air conditioning airflow can ventilate needed. Shutters is a family house decoration software installed, new buildings, renovation will basically use. So blinds how to use it? In normal use should we pay attention to it? How to correctly use the blinds one, pull the blinds aluminum blinds before the sale, the first blade angle is adjusted with the track 90, which was parallel to the blade and vane state. 2, pulling blinds, vertical blinds holding the handle pulling a rope (horizontal blinds pulled all the rope) can pull the blade. 3, shutters and doors to keep dry, clean, avoid contact with plenty of water. 4, is strictly prohibited scratch hard objects or sharp knives and other surface collision blinds. 5. Do not open the window to use wind, close the windows when the rain to avoid water seepage. _ Longtai quality galvanized metal shutters (certified) _ Hebei blinds provided 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.