Shu Guang
Shu Guang
Established in 1992 as "Yueqing Shuguang Fuse Factory," Wenzhou Shuguang Fuse Co., Ltd. has evolved into a premier power technology enterprise. Located in Yueqing, Zhejiang—the renowned "Electrical Capital of China"—we specialize in the research, development, and high-volume production of high-voltage XRNT fuses and power protection equipment.
Our journey began over three decades ago, focusing on the fundamental need for reliable circuit interruption in burgeoning power grids. Today, we are recognized as a leading China XRNT Fuse Supplier, integrating advanced sales and service networks that span across continents. Our commitment to quality is backed by rigorous ISO9001:2000 certification and a legacy of technological innovation.
Founded
Global Patents
Export Countries
Certified Quality
The global power distribution landscape is undergoing a massive shift toward "Smart Grids" and renewable energy integration. High-voltage current-limiting fuses, particularly the XRNT series, are the unsung heroes of this transition. As transformers become more sophisticated and distributed energy resources (DERs) like solar and wind power proliferate, the demand for high-breaking capacity and fast-acting fuses has skyrocketed.
Modern electrical infrastructure requires fuses that can handle higher voltage gradients and extreme environmental conditions. The trend is moving towards digitalization and miniaturization without compromising safety standards.
Global utility companies and EPC contractors are seeking suppliers who offer not just products, but compliant solutions that meet diverse international standards like IEC, DIN, and BS, ensuring seamless integration.
From the desert substations in the Middle East to high-rise data centers in Europe, XRNT fuses provide critical protection for oil-immersed transformers and switchgear systems globally.
As a designated manufacturer for the Ministry of Electric Power Industry, our XRNT fuses are subjected to the most rigorous testing protocols in the industry. We partner with world-class facilities such as the Xi'an High-voltage Electrical Apparatus Research Institute and the National High-voltage Quality Supervision Center to validate every product line.
Compliance & International Standards: Our technical performance meets and exceeds:
In recent years, our "Shu Rong" brand has leveraged sophisticated testing equipment and high-quality raw materials to ensure every fuse link provides precise current-limiting performance. We are capable of customized production to meet unique user requirements for specific voltage levels or breaking capacities.
Beyond our domestic success with provincial power companies in China, we have established robust export channels to Southeast Asia, the Middle East, Africa, and Europe. Our logistics and supply chain management ensure timely delivery for critical infrastructure projects worldwide.
We adhere to the principle: "Development by science and technology, and survival by quality." Our full process flow monitoring ensures that high-voltage current-limiting fuses maintain their integrity even under the most stressful short-circuit conditions.
Our products are engineered for versatility across a wide spectrum of electrical environments:
Substations
Transformer Protection
Industrial Grids
Renewable Energy
