Shu Guang Shu Guang

China Drop Out Fuse Manufacturer & Manufacturers

Pioneering High-Voltage Circuit Protection Solutions Since 1992. World-Class Quality, Engineering Excellence, and Reliable Power Infrastructure Components.

Global Industrial Status

In the current global power distribution landscape, China Drop Out Fuses have become the backbone of rural and urban electrical grids. As a leading manufacturer, we observe a massive shift towards 12kV, 24kV, and 36kV systems to support increasing industrial loads. The global demand for reliable circuit protection is at an all-time high, driven by the expansion of smart grids and the integration of renewable energy sources.

Industry Trends

The industry is moving toward Polymeric Insulators due to their light weight and superior anti-pollution properties compared to traditional porcelain. We are also seeing a trend in "Smart Cutouts" that integrate load-break capabilities and remote monitoring. As a professional manufacturer, we are continuously adapting our Drop Out Fuse designs to meet these modern standards.

Procurement Needs

Global procurement specialists are no longer just looking for the lowest price; they demand IEC60282 and ANSI C37.42 compliance. Reliability in harsh environments—be it the humid climates of Southeast Asia or the arid zones of the Middle East—is the top priority. Our factory ensures every unit exceeds these environmental stresses through rigorous testing.

Wenzhou Shuguang Fuse Co., Ltd.

Our Story: Wenzhou Shuguang Fuse Co., Ltd.

Wenzhou Shuguang Fuse Co., Ltd. is located in Yueqing, Zhejiang Province, the electrical capital of China. It is a power technology enterprise integrating research, development, production, sales and service. The predecessor of Wenzhou Shuguang Fuse Co., Ltd. was "Yueqing Shuguang Fuse Factory" established in 1992.

With over three decades of deep-rooted experience, we have evolved from a local workshop into a global powerhouse in the fuse industry. Our commitment to quality and engineering has allowed us to serve the most demanding electrical grids across the globe.


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30+

Years of Manufacturing Experience

ISO9001

Certified Quality System

50+

Countries Exported Worldwide

Technological Excellence & Industry Application

In recent years, the company has developed rapidly, and its economic and social benefits have improved significantly. The company continues to deepen and improve the quality management system, and has never exceeded its long-term development. While vigorously developing new products, it has always attached importance to the process flow.

High-quality raw materials and sophisticated testing equipment are the backing of the quality assurance system. 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. "Shu Rong" brand products have enjoyed a high reputation among domestic and foreign users.

Technological Excellence

Our Drop Out Fuses and HRC fuses find critical applications in:

  • Transformer Protection: Safeguarding distribution transformers from short-circuits and overloads.
  • Substation Feeders: Providing primary protection for overhead line segments.
  • Industrial Parks: Ensuring stable power supply for heavy manufacturing equipment.
  • Renewable Energy: Protecting solar farm inverters and wind turbine transformers.
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Authority & Certification

Wenzhou Shuguang Fuse Co., Ltd. is designated by the Ministry of Electric Power Industry to produce high-voltage fuses of various voltage levels, current-limiting fuses, zinc oxide arresters, drop-out fuses, and insulators.

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The products have passed the high-power test station of the Electric Power Research Institute, the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center, and the Xi'an High-voltage Electrical Apparatus Research Institute. The technical performance meets ANSIC37,42, DIN43625, BS2692, IEC282-2, IEC60644, IEC60470, IEC60282-1, IEC269-2 and GB15166 standards.

Major Global Markets

The products are exported to various provincial power companies in China. A complete sales network has been formed throughout the country, and good business contacts have been established. New high-voltage fuses and high-voltage current-limiting fuse products are exported to Southeast Asia, the Middle East, Africa, Europe and other countries and regions, and the domestic product sales rank among the top in the same industry.

Our global footprint is a testament to our reliability. Whether it's a project in the jungles of Vietnam or a grid upgrade in the urban centers of Nigeria, our Drop Out Fuse units are designed to withstand local environmental challenges including high humidity, salt spray, and extreme heat.

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Why Choose Our China Manufacturing Facility?

Supply Chain Integrity

Being located in Yueqing, the "Electrical Capital," we have immediate access to the finest raw materials—from high-grade porcelain to aerospace-grade copper—ensuring cost-efficiency and superior quality.

Custom R&D

Our engineering team can customize Drop Out Fuses and Lightning Arresters to your specific regional voltage and environmental requirements, offering bespoke solutions that Western manufacturers cannot match in lead time.

Proven Longevity

Since 1992, our "Shu Rong" brand has stood the test of time. Buying from a 30-year veteran factory means you are buying peace of mind and long-term technical support.