Shenzhen SDG Information Co., Ltd.Founded in 1988 and headquartered in Shenzhen Special Economic Zone full of vigor and vitality, is one of the first batch of state- controlled national new and Hi-tech enterprises in China devoted to the R&D and manufacturing of fiber- optic cable, wiring network equipment and power industry communications ; SDGI was listed in Shenzhen Stock Exchange in 2000. Currently, the industrial business of SDGI covers such fields as the Optical fiber and optical cable, Intelligent Network ,etc. The company has built the complete sales and service systems in more than 40 countries and regions in the world, has various industrial bases as well as a dozen wholly-owned or holding subsidiaries in Shenzhen, Southwest China, East China and North China, etc., with the annual output more than 5 billion yuan.SDGI, as the domestically leading information industrial supplier and technical service provider, has created the competitive advantage across the product chain in the fields, such as, optical fiber and optical cable, intelligent network and power industry information, etc., and is also devoted to providing the professional solutions and integrated and high-efficient service with the strong competitiveness to the IT clients.Optical fiber and optical cable Industry:follow up the clients' demands; make greater efforts to create more values for them, maintain long-term strategic cooperation with all larger Telecom Carriers, integrators and clients at home and abroad.Smart access industry: build the one-stop optical smart access system for clients, provide the comprehensive products and service solutions.Facing the fast development of the mobile network and the new generation IT industry, SDGI will stand on the optical communications industry, make the optical fiber and cable industry stronger and better, accelerate the transition to optical networking, increase investment in the development and solutions of optical devices.We strive to become superior enterprises of Optical network transmission,backbone enterprises of Optical network access terminal,and emerging enterprises of power system information.