I seek is: excellence led roof characters, reputation first. Made it through fine words are processed, polished. After all pre-delivery inspection of packaging by hand delivery, please when the delivery man before inspection. Application main material: acrylic board, high density PVC boards, LED light source production methods: acrylic sheet plastic, high density PVC board computer cutting, light arrangement \ are light \ aging test uneven color, color obviously led roof characters, the solution: white LED lights in the factory to go through the spectral separation (not after separation by the LED light emitted by some white, some bluish, some yellow), spectral separation device is expensive, in general Small plants are not the kinds of equipment supply led roof characters, so the production of white light are generally carried out by separation of manufacturers to get, because they do not plant products, spectral separation would not be so careful. Some small plants can not be bothered by separation. They are generally at a low price to pull customers. So when buying white LED Do not blindly freeloaders, be sure to purchase the same manufacturer, same batch, LED light tube single particle light or modules of the same color to make the same batch of luminous words. Full-service, give customers more convenient. Outdoor advertising industry has become the province of the well-known brands. Has worked and Merchants Bank, rural credit cooperatives, the Bank of China, Shanxi Hall, in fast food, Kohler, actually home, Dongfeng sign cooperation. With our solid strength, superb technology, standardized operations, standardized construction, to provide you with the best quality service. Custom led roof characters, LDX advertising (certified), put down the roof of characters led by Shanxi DS Hin Limited culture media. DS Shanxi Xuan Culture Media Co. (www.sxdxzs.com/) is a leader in Taiyuan, advertising services, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In LDX advertising leadership with the staff warmly welcome all inquiries negotiations to create LDX advertising a better future.