Founded in 2004, DSD is a high-tech enterprise specializing in the R&D and production of LED products and light control systems. We have an experienced research and development team and excellent technical foundation.we are grown to be a main supplier in LED lighting market. With good quality products and perfect after-sales service, we have won a good reputation among customers. Our products including LED street light, LED tunnel light, LED fluorescent tube(T10/T5), LED wallwasher, LED flood light, LED ceilling light, led bulbs, led desk lamp and more. Reviewing the past and expecting the future, we adhere to the spirit of "never best, only better; never ending, only advancing" to get ahead upon a flourishing base. To light up the world with heart; to shine the future with new, fighting for building up a more beautiful and energy saving world!