Changsha benchmark Culture Communication Co., Ltd. specializes in brand planning, VI design, advertising design, shop decoration, lighting engineering, sign production, LED lights luminous characters, advertising light boxes, a benchmark industrial design subsidiary. Reference Communication Co., Ltd. a professional design team, perfect service, high-quality post construction known in the industry. Luminous characters of practice are many different materials is 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.