Changsha benchmark Culture Communication Co., Ltd. specializes in brand planning, VI design, advertising design, shop decoration, lighting engineering, sign production, LED lamp luminous characters, advertising light boxes, the benchmark industrial design subsidiary. Benchmarks cultural communication in a professional design team, perfect service, high-quality post-construction known in the industry. Culture Communication Co., Ltd. Changsha benchmark franchise: making outdoor signs, LED display production, production of logo signs, luminous characters, advertising signs production, lighting engineering, inkjet, backdrop crystal words, shop signs, advertising design. Luminous characters approach are many, different materials are not the same price, quality is not the same, the key is the quality of light, LED environmentally safe, because it is low-voltage, low maintenance costs. LED to the state and users can save a lot of power, undertook to save a lot of man-hours parties. LED application technology development, to the highly competitive advertising industry has added new vitality. Its unique, different lighting situations, has been widely used in the production of advertising products field. Different specifications of LED with different angles and different luminescence brightness.