Shu Guang
Explore our advanced high-voltage, medium-voltage, and specialized industrial fuse lineups engineered for ultimate safety, precision compliance, and maximum reliability under extreme load conditions.
Wenzhou Shuguang Fuse Co., Ltd. (Predecessor: Yueqing Shuguang Fuse Factory, established in 1992) is anchored in Yueqing, Zhejiang Provinceβthe renowned electrical capital of China. As an advanced power technology enterprise, we integrate robust R&D, advanced manufacturing, international sales, and specialized engineering services.
From our founding roots in 1992 to our state-of-the-art Industry 4.0 production facilities today, Shuguang Fuse has continuously evolved. Designated by the Ministry of Electric Power Industry, we specialize in high-voltage fuses, current-limiting systems, transformer protection devices, and arresters.
Connect With Our ExpertsOur products have successfully cleared rigorous evaluations at leading high-power test stations, including the Electric Power Research Institute, National High-voltage Electrical Apparatus Quality Supervision and Inspection Center, and Xi'an High-voltage Electrical Apparatus Research Institute.
We strictly adhere to world-class manufacturing and testing parameters. Our product engineering complies with ANSI C37.42, DIN 43625, BS 2692, IEC 282-2-1995, IEC 60644, IEC 60470, IEC 60282-1, IEC 269-2, GB 15166.1/2/5, GB 13593, DL/T 640-1997, and VDE 0636 standards. Furthermore, our robust quality assurance framework is fully certified under ISO 9001:2000.
Accelerating the future of power distribution through smart manufacturing, automated quality inspection loops, and resilient global supply chain integration.
Our smart manufacturing ecosystem utilizes IoT-enabled assembly lines, real-time telemetry testing, and automated raw material tracing to guarantee high-volume output without compromising individual unit tolerance.
Pioneering compact high-voltage fuse designs and specialized EV circuit protection. Our R&D team partners with global utility providers to forecast grid demands for renewable energy integration.
Delivering localized technical support, bespoke OEM/ODM manufacturing, and turnkey compliance documentation tailored to diverse regional grid codes across Europe, the Middle East, Southeast Asia, and Africa.
Comprehensive catalog of advanced components designed for EV systems, polymer insulation, lightning surge suppression, and medium-voltage power distribution networks.
Our products are deployed extensively across provincial power grid companies within China and exported globally to Southeast Asia, the Middle East, Africa, Europe, and beyond.
From oil-immersed transformer back-up protection and power capacitor safeguarding to high-voltage substation switchgear and electric vehicle (EV) charging infrastructure, Shuguang Fuse delivers robust electrical security where it matters most.
Adhering to our core philosophy of "Development by science and technology, and survival by quality," we warmly invite global partners to discuss collaborative opportunities for a sustainable energy future.
Expert insights into global procurement, custom engineering specifications, and compliance standards for Shuguang Fuse products.
Our fuses comply with leading international and national standards including IEC 60282-1, IEC 269-2, DIN 43625, ANSI C37.42, BS 2692, and GB 15166. Each batch undergoes strict testing at recognized high-power testing laboratories.
Yes. With over three decades of manufacturing expertise and dedicated R&D facilities, we specialize in developing customized high-voltage and low-voltage fuse solutions tailored to unique electrical parameters and spatial constraints.
Our products are widely exported across Southeast Asia, the Middle East, Africa, Europe, and South America, establishing long-term partnerships with major utility companies and electrical distributors worldwide.
We maintain an ISO 9001:2000 certified quality management system, utilizing high-grade raw materials, sophisticated testing equipment, and automated process controls across all production stages.