Shenzhen SDG Information Co., Ltd.(SDGI) is a globally integrated technology leader with over 40 years of expertise, rooted in the optical communications industry. The company delivers end-to-end solutions through its synergistic capabilities in cable manufacturing, optoelectronic systems, smart services, and technology integration. Guided by a “Product + Service” philosophy, SDGI empowers industries with cutting-edge innovations in 5G, IoT, cloud computing, and AI, serving global telecommunications operators, hyperscale data centers, energy grids, transportation networks, and smart city ecosystems.
By strategically locating core production bases in Vietnam, SDGI mitigates tariff impacts while ensuring reliable delivery of high-quality products to global markets. Complemented by manufacturing hubs in Shenzhen, Dongguan, and other key regions, the company solidifies its position as Southern China’s largest integrated fiber-optic R&D and manufacturing cluster.
Committed to sustainable innovation, SDGI enables clients worldwide to achieve enhanced connectivity, operational efficiency, and scalable growth in the era of intelligent digitization.

Top Most Competitive Enterprises in China’s Optical Communications

Top Most Competitive Enterprises in China's Optical Transmission

and Network Access Equipment

5G Innovative Enterprise

More than 30 years Optical Fiber & Cable manufacture experience