Shu Guang
Located in Yueqing, Zhejiang Provinceβwidely recognized as the "Electrical Capital of China"βWenzhou Shuguang Fuse Co., Ltd. has evolved into a powerhouse of electrical safety technology. As a power technology enterprise, we integrate research, development, production, and sales to deliver elite circuit protection solutions.
Our journey began in 1992 as the "Yueqing Shuguang Fuse Factory." Over three decades, we have transitioned from a local workshop to a leading global supplier of high-quality fault limiting fuses. Our commitment to innovation and quality has allowed us to serve the most demanding utility and industrial applications worldwide.
The global demand for Fault Limiting Fuses is experiencing unprecedented growth driven by the modernization of power grids and the rapid expansion of renewable energy sectors. As industries transition to smarter, more resilient infrastructures, the role of high-voltage current-limiting fuses has become more critical than ever.
The global circuit protection market is shifting toward "smart" integration. High-Quality Fault Limiting Fuses are now required to handle the volatile surges common in wind and solar power generation. We are leading this trend by developing fuses that offer faster response times and higher breaking capacities.
Modern manufacturing plants with sensitive robotic equipment require precise fault isolation. Our fuses ensure that a fault in one section does not lead to a total facility blackout, minimizing downtime and protecting multi-million dollar investments.
As offshore wind farms and large-scale solar arrays connect to the grid, the need for specialized Medium Voltage HRC Fuses is skyrocketing. Our products are designed to withstand harsh environmental conditions while maintaining peak electrical performance.
In recent years, Wenzhou Shuguang Fuse Co., Ltd. has prioritized technological depth over simple expansion. Our economic and social benefits have improved significantly as we continue to deepen our quality management systems.
Key Technological Pillars:
The "Shu Rong" brand has achieved a prestigious reputation among international users for its uncompromising safety standards and longevity.
Safety in the electrical industry is non-negotiable. Our products are recognized by the Ministry of Electric Power Industry and have undergone rigorous testing at national laboratories.





Our technical performance meets and exceeds global standards: ANSI C37.42, DIN 43625, BS 2692, IEC 60282-1, IEC 60644, and IEC 60470. This ensures our fuses can be seamlessly integrated into grids across Europe, the Americas, and Asia.
Wenzhou Shuguang is ISO 9001:2000 certified. Every batch undergoes stringent quality control, from the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center to our in-house labs.
Collaborating with the Xi'an High-voltage Electrical Apparatus Research Institute, we stay at the forefront of fuse-link material science and arc-control technology.
Protecting power transformers and distribution lines from devastating short-circuit currents in urban grid environments.
Specialized HRC fuses designed to handle the unique inrush currents of capacitor protection in industrial power factor correction units.
Providing robust protection in high-vibration and dust-prone environments where equipment reliability is paramount for worker safety.
Protection for PV inverters and wind turbine transformers, ensuring stable energy flow from the source to the national grid.
Our products are not only the preferred choice for provincial power companies across China but have also established a dominant presence in international markets. We have built a robust sales network spanning Southeast Asia, the Middle East, Africa, and Europe.
We rank among the top in the domestic industry for sales and export volume, a testament to our competitive pricing and world-class quality.
As a leading China High-Quality Fault Limiting Fuses Factory, we offer distinct advantages for global procurement officers:
In a world increasingly dependent on electricity, the "Shu Rong" brand remains dedicated to the principle of "Development by science and technology, and survival by quality." As we look toward the future, Wenzhou Shuguang Fuse Co., Ltd. continues to innovate in the field of High-Quality Fault Limiting Fuses, ensuring that global power systems remain safe, efficient, and reliable. We sincerely welcome domestic and international partners to collaborate with us in creating a brilliant future for the power industry.