Shu Guang
Shu Guang
Engineered for Maximum Reliability and System Safety
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The global demand for Current Limiting Fuses (CLF) is surging as modern electrical grids face unprecedented loads. From industrial manufacturing plants in Germany to renewable energy parks in Brazil, CLFs are essential for protecting sensitive equipment like transformers and capacitors against high short-circuit currents.
Modern procurement focuses on miniaturization, digitalization, and higher breaking capacities. Current-limiting technologies are evolving to support the integration of DC power from solar farms and EV charging infrastructure, requiring fuses that can handle rapid quenching of arcs.
In Southeast Asia and Africa, the focus is on robust, weather-resistant outdoor drop-out fuses for rural electrification. Conversely, European and North American markets prioritize DIN-standard HRC fuses for high-density urban substations and oil-immersed transformer protection.
Established in 1992 as "Yueqing Shuguang Fuse Factory," we have grown into a premier power technology enterprise. Located in Yueqing, Zhejiang Province—widely recognized as the Electrical Capital of China—we integrate research, development, production, and international service under one roof.
Our legacy is built on three decades of expertise in circuit protection. We specialize in producing high-voltage fuses across various voltage levels, specifically tailored for power capacitors, voltage transformer protection, and zinc oxide arresters. As a factory-direct supplier, we offer the agility of a manufacturer with the professional service of a global exporter.
Ensuring Authority and Reliability through Rigorous Testing
Wenzhou Shuguang Fuse Co., Ltd. is designated by the Ministry of Electric Power Industry to produce specialized high-voltage current-limiting fuses. Our products have successfully passed inspections at the most prestigious laboratories, including the Xi'an High-voltage Electrical Apparatus Research Institute and the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center.
Our "Shu Rong" brand products are exported across Southeast Asia, the Middle East, Africa, and Europe. We maintain a complete sales network within China, serving provincial power companies and industrial hubs with high-voltage solutions.
In recent years, we have invested heavily in sophisticated testing equipment and process flows. While developing new products, we maintain high-quality raw materials as the foundation of our quality assurance system. Customization is our strength—we produce fuses based on specific user requirements and extreme environmental conditions.
Being based in Yueqing gives us access to a complete electrical supply chain, allowing us to offer competitive wholesale pricing without compromising on quality. Our survival principle is "Quality First," ensuring every fuse-link performs under the most critical fault conditions.
Where Precision Meets Power
Current Limiting Fuses are the unsung heroes of the power grid. Our products are widely used in:
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