Shu Guang
High-performance current-limiting fuses and high-voltage electrical apparatus.
Wenzhou Shuguang Fuse Co., Ltd. is located in Yueqing, Zhejiang Province, known as the electrical capital of China. As a power technology enterprise, we integrate research, development, production, sales, and service. Our journey began in 1992 as "Yueqing Shuguang Fuse Factory," and for over three decades, we have been at the forefront of the power protection industry.
Today, we stand as a beacon of reliability and expertise, designated by the Ministry of Electric Power Industry to produce essential high-voltage components that power modern cities and industrial complexes across the globe.
Inquire NowUnderstanding the vital role of protection in a high-voltage world.
In the global industrial landscape, current limiting fuses are the silent guardians of electrical infrastructure. With the rapid expansion of smart grids, renewable energy installations, and industrial automation, the demand for high-breaking capacity (HRC) fuses has reached unprecedented levels. CE Certification is no longer just a label; it is a prerequisite for safety, ensuring that products meet the rigorous health and environmental protection standards of the European Economic Area.
We are witnessing a shift toward digitalization. Future current-limiting fuses are being designed with monitoring capabilities to predict failures before they happen. Additionally, the transition to renewable energy (Solar PV and Wind) requires fuses capable of handling high DC voltages and varying current loads. As a leading China factory, Shuguang Fuse is actively researching new materials to enhance thermal stability and speed of disconnection.
Our commitment to quality is backed by rigorous testing and international compliance.
Compliant with IEC60282-1, IEC282-2-1995, IEC60644, and IEC60470 for global interoperability.
Adhering to DIN43625 for medium voltage DIN standard back-up fuse-links used globally.
Technically aligned with ANSI C37.42 standards for the North American and related markets.
Our complete quality assurance system ensures every product from our factory is defect-free.




Direct from China's Electrical Hub to the World.
Years Experience
Countries Exported
Test Qualified
Technical Support
Located in Yueqing, we leverage the world's most concentrated electrical supply chain. This allows us to source high-quality raw materials at competitive prices and maintain a highly skilled workforce. Our factory specializes in customizing production based on user needs, ensuring that "Shu Rong" brand products offer unmatched cost-performance ratios.
We understand the logistical needs of international buyers. Whether you are a provincial power company in China or a utility provider in the Middle East, Europe, or Southeast Asia, we provide streamlined shipping, comprehensive documentation, and compliance with local electrical codes.
Powering and protecting infrastructure across various sectors.
Explore our full catalog of high-voltage and low-voltage protection devices.
Whether you need standard HRC fuses or custom protection solutions, Shuguang Fuse Co., Ltd. is ready to deliver. Our ISO certified facility ensures safety and performance in every unit.
The company adheres to the principle of "Development by science and technology, and survival by quality". We sincerely welcome customers from home and abroad to come to discuss cooperation and work together for the prosperity and development of the electric power industry.