Shu Guang
Shu Guang
Establishing authority in the power technology sector requires decades of consistent performance and innovation. Located in Yueqing, Zhejiang Province—renowned globally as the "Electrical Capital of China"—our company stands as a beacon of reliability.
The predecessor of Wenzhou Shuguang Fuse Co., Ltd. was the "Yueqing Shuguang Fuse Factory," established in 1992. For over 30 years, we have evolved from a specialized factory into a comprehensive power technology enterprise integrating R&D, production, sales, and global service.
We are a designated manufacturer by the Ministry of Electric Power Industry. Our facilities produce high-voltage fuses, current-limiting fuses, and specialized protection for power capacitors and voltage transformers, ensuring the highest technical performance for modern grids.
Exporting to Southeast Asia, the Middle East, Africa, and Europe, our "Shu Rong" brand is synonymous with durability. We adhere to the principle: "Development by science and technology, and survival by quality."
Global Market Dynamics: As the world shifts toward decentralized energy and smart grids, the demand for Fault Limiting Fuses (FLFs) has surged. Industrialized nations are upgrading aging infrastructure, while developing economies in Southeast Asia and Africa are building massive new grids. FLFs are critical because they can interrupt short-circuit currents before they reach peak value, protecting multi-million dollar transformers and switchgear.
The Shift to Renewables: Wind farms and solar plants require specialized protection. High-voltage current-limiting fuses are now essential in solar inverters and wind turbine transformers to manage the unique fault profiles of renewable energy sources. China's manufacturing sector has adapted rapidly, providing the bulk of these specialized components to the global market.
EV Revolution: The rise of Electric Vehicles (EVs) and charging infrastructure has created a new frontier. EV fuses must handle high DC voltages and extreme temperature fluctuations. At Shuguang Fuse, we’ve developed dedicated EV protection lines to meet this burgeoning global demand, ensuring safety from the battery pack to the charging station.
Local Application Nuances: In Europe, DIN standard compliance is non-negotiable, whereas ANSI standards dominate the Americas. A world-class manufacturer must provide cross-compatible solutions. Our products are engineered to meet IEC60282, DIN43625, and BS2692, allowing seamless integration into diverse localized power systems worldwide.
Years Experience
Countries Exported
IEC Compliant
Our quality assurance is backed by international certifications and rigorous testing at the world's most prestigious laboratories.
Our products meet and exceed: ANSIC37,42, DIN43625, BS2692, IEC282-2-1995, IEC60644, IEC60470, IEC60282-1, IEC269-2. Domestically, we comply with GB15166 and DL/T640-1997. Our management system is ISO9001:2000 certified.
Qualified by the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center and the Xi'an High-voltage Electrical Apparatus Research Institute.
Being in Yueqing gives us instant access to high-purity copper, specialized ceramics, and advanced polymers. This ecosystem allows us to maintain competitive wholesale pricing without compromising on material quality.
As an OEM/ODM leader, we can customize fuse-links for specific voltage levels and mechanical dimensions (e.g., 55*520mm or 88*192mm) according to unique user requirements and localized grid specs.
Our facility is equipped for high-volume orders, ensuring short lead times for major infrastructure projects. We maintain a complete sales network and established logistics for Southeast Asia and Europe.
From provincial power companies in China to massive industrial plants in the Middle East, our products provide the "last line of defense" against electrical faults. Our rapid development in recent years is a testament to the trust global engineers place in our technology.
Wenzhou Shuguang Fuse Co., Ltd. continues to deepen its quality management systems. High-quality raw materials and sophisticated testing equipment are the backing of our promise to you. As we look to the future, we invite global customers to discuss cooperation and work together for the prosperity of the electric power industry.
Whether you need a wholesale fault limiting fuses manufacturer for a new substation or a specialized high voltage fuse factory for customized industrial applications, we have the heritage, technical certificates, and production capacity to deliver excellence.
