The flat piece of hard plastic (acrylic) after heating to soften roof sign characters, using vacuum to advance with the three-dimensional sculpture carved wooden molds shaped surface good. After cooling milling, engraving and milling, grinding, using aluminum (or iron) edging, surface cover made of words. Shaped groove spray paint (inside white spray paint) external customer requirements in accordance with the desired color spray, and put on high-brightness LED modules characters roof construction, glass, plastic and marked fixed. Fonts section strokes, when suddenly a whole is not bright or not bright light: light word after a period of use in part or in whole font light began flashing, when the light does not shine until it does not shine. Now on the market roof light module advertising characters, mostly using interpolation wiring connections. Thus, advertising producers convenient when installing LED modules. But there were also some new problems, due to the use of connectors in the long process of erosion by moisture in the air easily oxidized resulting in poor contact, so that part or all of the circuit power outages or complete power failure, resulting font light flashing or does not shine. Solution: a, not the production of modular connectors, directly after tinned copper wires with activated carbon solder weld. b, making full use of artificial agate enclosed hollow solid light, cut off from contact with light and air. 5, the output power is larger font, energy saving is not obvious. Solution: Try using a set of five lamp LED light module, there is no change in the number of such lights, and the power is reduced by two fifths. Roof advertising characters _ LDX advertising (certified) _ yangqu County roof characters Ltd provided by Shanxi Xuan DS culture media. DS Shanxi Xuan Culture Media Co. (www.sxdxzs.com/)(http://www.sxdxzs.com) is Taiyuan, leading advertising service over the years, the company implementing the scientific management, innovation and development, honesty and trustworthiness policy, and satisfy customer needs. In LDX advertising leadership with the staff warmly welcome all inquiries negotiations to create LDX advertising a better future. You can also access (http://www.sxdxzs.com/supply_details_39526832.html), for more information about the company.