Shenzhen SDG Information Co., Ltd., listed on the main board of the Shenzhen Stock Exchange in 2000, is a state-controlled national high-tech enterprise with its primary shareholder being Shenzhen SDG Group Co., Ltd., a directly managed enterprise under the Shenzhen State-owned Assets Supervision and Administration Commission. The company focuses on the optical communication field, developing three major business segments: optical fiber and cable, intelligent access, and military informatization. It continuously enhances and refines its capability to provide systematic solutions, offering professional solutions across multiple domains, including 5G fronthaul solutions, smart grid solutions, online monitoring solutions, data center solutions, smart park solutions, smart building solutions, high-performance computing solutions, and professional measurement and control hardware solutions. The company is also transitioning and upgrading toward becoming an ICT system integration service provider. It has established a comprehensive sales and service system in multiple countries and regions globally, with several industrial bases in South China, Southwest China, East China, and North China, as well as over ten wholly-owned or controlled subsidiaries. The company possesses a National Recognized Enterprise Technology Center, an Academician (Expert) Workstation, an Optical Chip Joint Laboratory, an Optical Fiber and Cable Engineering Technology Research Center, and a National Recognized CNAS Testing Center.