Shu Guang
Shu Guang
High-quality engineering meeting international standards (IEC, ANSI, DIN, BS)
In the modern electrical infrastructure landscape, WholesaleFusesOnPowerLines represents the critical first line of defense for medium and high-voltage distribution networks. As the world shifts towards smart grids and integrates fluctuating renewable energy sources like wind and solar, the demand for highly reliable current-limiting fuses and expulsion fuse links has reached an all-time high.
Globally, the industrial status of power line fuses is evolving from simple sacrificial components to precision-engineered protection devices. In developed regions like Europe and North America, there is a massive replacement cycle for aging grid infrastructure. Meanwhile, in emerging markets across Southeast Asia and Africa, rapid urbanization and rural electrification projects are driving a surge in procurement for 11kV to 36kV protection systems.
Years Experience
9001:2000 Certified
Export Countries
Quality Tested
Located in Yueqing, Zhejiang Province—the renowned "Electrical Capital of China"—Wenzhou Shuguang Fuse Co., Ltd. is a power technology powerhouse. Our journey began in 1992 as the "Yueqing Shuguang Fuse Factory." For over three decades, we have integrated R&D, production, and service into a seamless operation dedicated to electrical safety.
As a specialized manufacturer, we are designated by the Ministry of Electric Power Industry to produce high-voltage fuses, current-limiting fuses, and transformer protection devices. Our brand, "Shu Rong," has become synonymous with durability and technical excellence in the global market.
Adapting to the requirements of 21st-century power distribution
The industry is moving toward fuses that can withstand the unique harmonic profiles of modern electronic loads. Our current-limiting fuses are designed to prevent transient overvoltages from damaging sensitive grid components.
With global climate changes, power lines face harsher environments. We utilize high-performance polymer insulators and corrosion-resistant alloys to ensure long-term performance in coastal, desert, and tropical regions.
Urban substations require compact footprints. Our miniature fuse links (e.g., 10KV 0.63A) offer full protection in a fraction of the size, meeting the needs of modern switchgear manufacturers.
Global compliance ensuring safety and trust
Wenzhou Shuguang Fuse products are rigorously tested at the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center and the Xi'an High-voltage Electrical Apparatus Research Institute. Our technical performance meets and exceeds international standards including:
Strategic advantages for global procurement officers
By eliminating intermediaries, we provide wholesale pricing that allows global distributors and power companies to optimize their procurement budgets without sacrificing quality.
Our R&D team can customize fuse parameters and dimensions based on specific regional grid requirements, ensuring 100% compatibility with local equipment.
Located in Yueqing, we have immediate access to high-grade raw materials—from specialized quartz sand to high-purity silver elements and robust ceramic bodies.
Protecting power across diverse environments
Our H.V. HRC fuses for oil-immersed transformers provide reliable back-up protection against short-circuit faults. With precise time-current characteristics, they ensure the safety of expensive transformer assets.
Used extensively in wind farm collection systems and solar PV substations, our current-limiting fuses handle the demanding protection needs of renewable energy grids.
From RN high-voltage fuses to dropout fuse cutouts, our products are the backbone of utility distribution networks across Southeast Asia, the Middle East, and Africa.
We continuously deepen and improve our quality management system. Sophisticated testing equipment and high-quality raw materials are the backing of our assurance system. All performance indicators are in line with technical conditions, and new products can be customized at any time according to user needs.
Our "Shu Rong" brand enjoys a high reputation among domestic and international users for its consistency and rapid response to short-circuit events.
Reliable protection for every electrical requirement
Connecting with partners across the globe
Wenzhou Shuguang Fuse Co., Ltd. has established a complete sales network. Our products are exported to various provincial power companies within China and to international markets including Southeast Asia, the Middle East, Africa, and Europe. We rank among the top in the industry for domestic sales and export volume.
We adhere to the principle: "Development by science and technology, and survival by quality." We sincerely welcome partners from around the world to discuss long-term cooperation and contribute to the prosperity of the global electric power industry.
