Shu Guang
Founded in 1992 as "Yueqing Shuguang Fuse Factory," Wenzhou Shuguang Fuse Co., Ltd. has evolved into a powerhouse of electrical engineering. Located in Yueqing, the renowned "Electrical Capital of China," we have dedicated over three decades to the research, development, and manufacturing of high-voltage circuit protection devices.
As an industry pioneer, we are designated by the Ministry of Electric Power Industry to manufacture a comprehensive range of critical components including High-Voltage Fuses, Zinc Oxide Arresters, and Polymeric Insulators. Our "Shu Rong" brand is synonymous with reliability in power grids across the globe.
The global transition toward smart grids requires fuses with higher precision and faster response times. Our HRC current-limiting fuses are engineered to handle the complexities of modern digital substations, ensuring minimal downtime during transient faults.
With the explosion of the Electric Vehicle market, the demand for specialized EV Fuses and charging station protection has surged. We provide OEM solutions that meet the high DC voltage requirements of modern battery systems and infrastructure.
Solar and wind farms often face harsh environmental conditions. Our polymer insulators and drop-out fuses are specifically treated for UV resistance and corrosion, making them ideal for localized renewable energy clusters in coastal or desert regions.
Our commitment to excellence is verified by the most rigorous testing institutions, including the Electric Power Research Institute and the National High-voltage Electrical Apparatus Quality Supervision Center.
We source only premium raw materials. From high-grade porcelain to advanced polymeric compounds, every component undergoes ultrasonic testing to ensure zero-defect manufacturing.
As a leading China OEM Fuse Manufacturer, we offer rapid prototyping. Our engineering team can customize fuse links and dimensions to meet specific regional utility requirements or industrial machine specs.




Our products aren't just components; they are the guardians of infrastructure. Currently, Shuguang Fuse products are exported to Southeast Asia, the Middle East, Africa, and Europe. We understand the localized application scenarios that different regions face:
Low voltage HRC fuses for dense city power distribution blocks.
Specialized expulsion fuse links for explosion-proof environments.
Drop-out fuse cutouts for rural electrification projects.
Year Established
Countries Served
Quality Pass Rate
Technical Support
Sophisticated testing equipment ensuring high-power breaking capacity.
Automated assembly lines for high-consistency HRC fuse production.
R&D center focused on arc-extinguishing materials and technology.
In recent years, we have deepened our quality management systems to keep pace with global energy shifts. Our "Shu Rong" brand has achieved a prestigious reputation because we never compromise on raw materials or process flow. Whether you need a standard DIN fuse or a custom high-voltage solution for a capacitor bank, we are your reliable partner.
Whether you are a global wholesaler looking for reliable OEM Fuse supply or a grid engineer needing high-performance current-limiting solutions, Wenzhou Shuguang Fuse Co., Ltd. has the expertise and capacity to deliver.