Changchun Cedar Electronics Co., Ltd. Whose master shareholder is Changchun Institute of Optics Fine Mechanics and Physics under CAS, is a Chinese professional manufacturer of LED display and LED lighting integrating R&D, production, marketing, services as a whole. Cedar Electronics has obtained over 60 patents in LED imaging and LED lighting techniques since its establishment in 2001. Its products have got Chinese 3C, CE, RoHS, UL, FCC and GOST-R Certifications