Shu Guang
Shu Guang
Wenzhou Shuguang Fuse Co., Ltd. is strategically located in Yueqing, Zhejiang Province, widely recognized as the "Electrical Capital of China." We are a comprehensive power technology enterprise that integrates advanced research, development, precision production, global sales, and dedicated service.
Our journey began in 1992 as the "Yueqing Shuguang Fuse Factory." Over three decades, we have evolved from a local manufacturing unit into a pioneering force in the high-voltage fuse industry. Today, we specialize in high-voltage fuses for power capacitors, current-limiting fuses, and transformer protection systems that safeguard critical infrastructure worldwide.
In the current global industrial environment, the demand for stable power distribution has never been higher. Power capacitors play a critical role in reactive power compensation and voltage stability. As a result, China Capacitor Fuses have become indispensable components for electrical grids in Europe, Southeast Asia, and the Americas. The shift toward renewable energy integration requires sophisticated fuse technology to protect capacitor banks from transient overcurrents and internal failures.
The industry is moving toward "Smart Grid" compatibility and miniaturization. Modern fuses must offer higher breaking capacities while maintaining a compact footprint. There is also a significant trend toward environmentally friendly materials and higher voltage ratings (up to 36kV and beyond) to support EV charging infrastructure and large-scale wind farm installations. Our R&D team stays ahead of these trends by implementing AI-driven design optimization for our fuse links.
Global procurement officers now prioritize E-E-A-T principles when selecting partners. Reliability is non-negotiable. International buyers look for compliance with IEC 60282, DIN 43625, and ANSI C37.42 standards. Our factory provides full traceability and rigorous testing reports from the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center, ensuring every unit meets global safety benchmarks.
High-quality raw materials and sophisticated testing equipment are the backing of our quality assurance system. While vigorously developing new products, we have always attached importance to the process flow. All performance indicators are in line with the corresponding technical conditions, and new products can be customized and produced at any time according to user needs. Our "Shu Rong" brand products have enjoyed a high reputation among domestic and foreign users.
As a leading China Capacitor Fuses Manufacturer, Wenzhou Shuguang Fuse Co., Ltd. offers unique advantages that Western manufacturers often cannot match. Yueqing's robust supply chain allows us to source high-purity copper, silver-plated elements, and high-strength ceramics at competitive costs, passing those savings directly to our clients.
Every power grid has localized nuances. Whether you are dealing with the extreme humidity of Southeast Asia or the strict safety regulations of the European Union, we can customize fuse characteristics. From specialized tail wire recovery systems to specific medium-voltage oil-immersed configurations, our engineering team provides bespoke solutions that ensure seamless integration with your existing capacitor banks.
Our commitment to quality is validated by international standards. The products have passed the high-power test station of the Electric Power Research Institute of the Ministry of Electric Power, the Xi'an High-voltage Electrical Apparatus Research Institute, and the High-Voltage Electrical Apparatus Laboratory. We strictly adhere to:
Located near major ports, we ensure rapid lead times. In the world of industrial maintenance and grid construction, delays cost money. Our logistics network ensures that whether you are a wholesaler in the Middle East or a utility company in Africa, your high-voltage protection equipment arrives on time and in perfect condition.
Substation Protection
Industrial Capacitor Banks
Transformer Protection
Renewable Energy Grids
Our quality assurance system has passed ISO9001: 2000 quality system certification. We are designated by the Ministry of Electric Power Industry to produce high-voltage electrical components for national grid projects.
The products are exported to various provincial power companies in China, forming a complete domestic sales network. Beyond our borders, "Shu Rong" brand high-voltage fuses and current-limiting fuses are trusted in Southeast Asia, the Middle East, Africa, and Europe. Our market presence ranks among the top in the industry, driven by our motto: "Development by Science and Technology, Survival by Quality."
In recent years, our company has accelerated its digital transformation. We integrate high-precision manufacturing with traditional expertise to ensure every fuse link provides consistent protection. For power capacitor banks, where internal faults can lead to catastrophic explosions, our fuses provide:
