Beijing Guang Run Tong Technology Development Co., Ltd

Guangruntong (GRT) was formally established in 2009. It is one of the few domestic brands that independently develops and produces in its own factories. For 16 years, the company has been focusing on the research and development and manufacturing of fiber optic network cards, fiber optic modules, wavelength division equipment, fiber optic patch cords, Self-developed Ethernet chips and network cards, etc. All products have passed international authoritative certifications such as FCC, CE, ROHS, and national industry certifications, and are mainly used in operators, Internet companies, complete equipment manufacturers, military units, aerospace, and procuratorates.