Beijing SIO Technology Co., Ltd. is a national high-tech enterprise focusing on the research and development, production, sales, and engineering services of Fiber Optic Current Sensors. The company was founded in October 2016, with its headquarters located in HaiDian District, Beijing. It can be traced back to the optical fiber sensor division established by SWT Group in 2012. The R&D team consists of several experts and scholars who have been deeply involved in the field of optical fiber sensor technology research for over a decade.

Adhering to the focus and inheritance of craftsmanship, SIO is committed to enhancing its independent innovation capability. The company has successively passed the national high-tech enterprise certification, ISO9001 quality management system certification, RoHS product certification, EU CE certification, CSA certification, and Beijing Specialized and New Enterprise Certification. The company owns nearly 100 completely independent intellectual property rights and patented technologies, and won the "Second Prize of National Scientific and Technological Progress" in 2017. The results of its project have solved the problem of accurate measurement of complex current signals under strong electromagnetic environment in the fields of electric power, metallurgy, nuclear physics and national defense engineering

The products of SIO cover a complete industrial chain, ranging from core components to fiber optic current modules, and to sensor products and measuring devices, such as AC current sensors, DC high current sensors, fiber optic current meters, clamp-on fiber optic current meters, fiber optic current on-line measurement systems, etc. The products are widely used in energy and electric power, metallurgy and chemical industry, metrological research, national defense and military industry. The company's leading product, the high-performance fiber optic current sensor, has been widely applied in ultra-high voltage DC transmission projects, large-scale aluminum electrolysis projects, and controlled nuclear fusion experiments. It has provided thousands of sensor products to various domestic and international customers, with the products consistently maintaining stable operation.

SIO consistently upholds its core values of "Customer First, Pursuit of Excellence, People-Oriented, Unity and Cooperation, Pragmatic Innovation, and Striving for Perfection. " It is dedicated to making continuous progress and innovation in the field of fiber optic current sensors, constantly creating value for its customers. The company has established a strong reputation and brand image both domestically and internationally, and is committed to striving relentlessly to become a global leader in the manufacturing of optical fiber current sensors!