Successful cases

Check out the successful application of the optical network solutions in various industries to understand customers 'evaluation of the optical network.


Service Tenets

Your satisfaction is GRT's lifelong pursuit,Your troubles are our troubles, Please let me know your desire,Try our best!!

About us


Transfer the research and development of core and cutting-edge technologies into productivity, promoting China's national optica enterprises to support and lead the healthy development of high-end optical industry.

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    GRT witnesses your merits

    Established in 2009, Beijing Guang Run Tong Technology Development Co., Ltd. was established in 2009. During the past decade, GRT has been focusing on independent R&D, manufacturing fiber optical adapter, optical transceiver, fiber optic cable, photoelectric converter, optical wavelength division equipment, and customized optical network equipment and other fiber optic equipment. GRT has won the trust of large quantities of customers and becomes their long-term supplier. For example, GRT has supported Beijing Olympic Games, Shanghai World Expo, and other national large scale projects. Additionally, GRT is also the long-term optical communication product supplier of national leading enterprises such as Lenovo, Inspur, ZTE, Sugon etc.

    Encounter the future, encounter you

    In GRT, talents are highly valued and regarded as the fortune. Working in GRT means that you are developing your career in an efficient organization with multi-dimensional cooperation and full of challenges.

    With the implementation of both management and professional channel promotion, you will gain a lot of opportunities to achieve personalized and professional growth.We believe that this platform is designed for those people with lofty ideals or great talents.