Chongqing Guanlong Electronic Technology Co., Ltd. was founded in 2007, the company is committed to LED green energy saving and environmental protection products and motorcycle accessories design and development and production, is a comprehensive science and technology enterprises set design and development, production, sales, the company adhere to the "technology as the soul, quality is the policy of the quality, continuous innovation, steady development" the. The company currently has a number of utility model patents, the production of LED products with independent intellectual property rights, the company has High-speed Rail, subway, light rail train "car, driver room, room, Restroom" LED lighting products and commercial use of LED lighting products. Mainly used in CRH6, Beijing metro, Nanjing metro, Chongqing metro, Chongqing light rail project.