Shu Guang Shu Guang

China Oil-Immersed Transformer Manufacturer & Supplier

Leading High-Voltage Protection Solutions for Global Power Infrastructure Since 1992

Global Status & Industry Evolution

The role of Oil-Immersed Transformers in modern power systems

In the contemporary industrial landscape, the Oil-Immersed Transformer remains the backbone of electrical distribution networks worldwide. As a leading China Oil-Immersed Transformer component supplier, we recognize that the global demand for reliable power is surging, driven by rapid urbanization in emerging economies and the modernization of aging infrastructure in developed nations.

🌐

Market Growth

The global oil-filled transformer market is projected to grow significantly as smart grid technologies become the standard. Our specialized fuses ensure these high-value assets remain protected against transient faults.

🌱

Renewable Integration

With the shift toward solar and wind energy, oil-immersed transformers are being deployed in remote environments. This necessitates robust protection mechanisms like our H.V. HRC fuses to maintain stability.

⚙️

Technical Trends

Modern trends favor "maintenance-free" designs and high efficiency. By integrating advanced materials and conforming to international standards (IEC, DIN, BS), we help manufacturers achieve these goals.

Wenzhou Shuguang Factory

Our Legacy: Wenzhou Shuguang Fuse Co., Ltd.

Established in 1992 as the "Yueqing Shuguang Fuse Factory," our company has evolved into a premier power technology enterprise. Located in Yueqing, Zhejiang—famously known as the Electrical Capital of China—we integrate R&D, production, sales, and service to provide world-class protection for Oil-Immersed Transformers.

With over three decades of Experience and Expertise, we have become a designated producer for the Ministry of Electric Power Industry. Our journey is defined by continuous innovation and a commitment to safeguarding global power grids.

Unrivaled Technical Authority

Global Standards Compliance & Rigorous Testing

Certified Excellence

Our quality assurance system is ISO9001:2000 certified. Every product undergoes rigorous testing at the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center.

International Standards

Our technical performance meets and exceeds ANSI C37.42, DIN 43625, BS 2692, IEC 60282-1, and VDE 0636, ensuring compatibility with global transformer manufacturers.

Advanced Testing

Utilizing high-power test stations at the Electric Power Research Institute, we ensure our fuses can handle the most extreme fault conditions in oil-immersed systems.

Global Procurement & China Factory Advantages

Why Tier-1 Utilities Choose Our Solutions

In the global procurement of Oil-Immersed Transformer components, reliability and cost-efficiency are the two primary drivers. Our factory in China offers a unique strategic advantage:

  • Supply Chain Synergy: Located in Yueqing, we have immediate access to high-quality raw materials and specialized logistics, reducing lead times for international clients.
  • Customization Capabilities: As an original manufacturer, we can customize electrical performance parameters to meet specific regional requirements in Southeast Asia, Africa, or Europe.
  • Cost-Effective Innovation: We leverage high-volume production with advanced testing to offer competitive pricing without compromising on reliability.

30+

Years of Experience

50+

Countries Served

ISO

Certified Quality

100%

Safety Tested

Industry Applications

Ensuring Power Stability Across Various Sectors

Public Power Grids

Protecting substation transformers against overcurrent and short circuits.

Industrial Plants

Providing robust safety for heavy-duty transformers in manufacturing hubs.

Renewable Energy

Optimizing protection for wind farm and solar plant transformers.

Technological Leadership

The "Shu Rong" brand is synonymous with technological advancement. We continue to deepen our quality management systems, investing in sophisticated testing equipment to ensure that every fuse link and protection device can withstand the rigors of long-term operation.

Our development philosophy is driven by Science and Technology. Whether it is a High-Voltage current-limiting fuse for a power capacitor or a specific protection device for an Oil-Immersed Transformer, our products represent the pinnacle of Chinese electrical engineering.

High Tech Production