Dongguan Diguang Lighting Technology Co., Ltd. specializes in LED advertising light source manufacturing for more than 10 years, with the development of LED light boxes and soft film ceilings. Companies adhering to the "quality-based, service-based" company philosophy, in the LED light box light source field to create a number of records: Nissan 80,000 meters diffuse light bar, shipped 13 million meters zero customer complaints. In 2017, the company newly developed the "high-intensity finger-light source" to make the light box and soft-film ceiling light more soft, the picture is more delicate and realistic, and once again achieve Yaoyao in the field of light box light source.

At present, there are Dongguan Light Rail, Xi'an Beike, Xi'an Subway, Hangzhou Metro, Meiyijia Chain and other designated Emperor Light brand light box light source.