Consultation hotline



About us

SIO is a company that has been involved in R&D and producing optoelectronic components for over 20 years. SIO's products are highly regarded in the market for their use in smart power grid applications, metal smelting, chemistry processes, and scientific research. 
With a production capacity of up to 1,000 FS systems per year, SIO has become one of the largest teams in the world for the research and production of Fiber Optic Current Sensors. Its team has more than 50 members, out of which more than 20 are dedicated to the R&D of FS systems.

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  • 01Awards and honors
  • 02Qualification certification
  • 03Patented technology
    • LiNbO3相位调制器性能检测系统

      LiNbO3相位调制器性能检测系统Patent number:ZL 2017 2 0174990.X

    • SLD光源测试系统

      SLD光源测试系统Patent number:ZL 2017 2 0171497.2

    • 光纤敏感环性能检测系统

      光纤敏感环性能检测系统Patent number:ZL 2017 2 0180794.3

    • 保偏光纤延时环测试系统

      保偏光纤延时环测试系统Patent number:ZL 2017 2 0171588.6

  • National consultation hotline:


    Company address:Jinggong Park, No. 339, Shenwei North Street, East Yanjiao Development Zone, Beijing, China

    Contact number:+86-10-61590939


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  • Beijing SIO Technology Co., Ltd copyright    Record number:京ICP备17056646号-2  

    Website technical support: Chinese talents