Shu Guang
Shu Guang
Established in 1992 as "Yueqing Shuguang Fuse Factory," our company has evolved over three decades into a leading power technology enterprise. Located in Yueqing, Zhejiang—the Electrical Capital of China—we integrate R&D, production, and global sales to serve the critical infrastructure needs of the 21st century.
As a specialized manufacturer, we are designated by the Ministry of Electric Power Industry to produce high-performance voltage transformer protection fuses and surge protection devices. Our brand, "Shu Rong," has become synonymous with reliability in both domestic and international markets.
In the world of high-voltage protection, certification is not just a badge; it is a guarantee of safety. Our products have passed rigorous evaluations at the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center and the Xi'an High-voltage Electrical Apparatus Research Institute.
Our engineering standards meet and exceed the following international technical conditions:
The CE Certification ensures our Potential Transformer Fuses meet European safety, health, and environmental protection requirements, making them the preferred choice for EPC contractors and utility providers across the EU.
As nations transition to Smart Grids, the demand for precise protection of Potential Transformers (PTs) has surged. PT Fuses are critical in isolating faulty equipment to prevent cascading failures. We provide sensors-compatible fuses that fit modern digital substations.
Solar and wind farms require specialized MV protection due to high harmonics and variable loads. Our current-limiting fuses are engineered to withstand these unique stresses while maintaining ultra-fast response times.
Procurement officers are moving away from low-cost-only models toward "Total Cost of Ownership" (TCO). By choosing a factory with internal testing capabilities like ours, global buyers reduce the risk of downtime and costly onsite failures.
With increasing extreme weather events, high-voltage insulators and lightning arresters must perform under humidity and salt spray. Our polymer and porcelain solutions are tested for the harshest environments in Southeast Asia and Africa.
Compact substations in growing urban centers require miniaturized components. Our 8*150mm and J-Slotted fuses offer maximum protection in minimum footprints, meeting the constraints of modern city planning.
Expertise: With over 30 years in the industry, we don't just manufacture; we engineer solutions. Our team can customize fuse-link specifications (current, voltage, dimensions) to match legacy systems or next-gen hardware.
Experience: We have supplied various provincial power companies across China and established stable sales networks in the Middle East, Europe, and Africa. Our "Shu Rong" brand is a trusted name in high-power test stations.
Authoritativeness: Being designated by the Ministry of Electric Power Industry signifies a level of trust and technical competence that few factories possess. Our proximity to the "Electrical Capital" ensures a robust supply chain for high-quality raw materials.
Trustworthiness: Every fuse undergoes strict quality control. From silver-wire purity to quartz sand grain size, every detail is monitored to ensure the technical performance meets IEC60282 and VDE standards.
Protecting PTs in 10kV-35kV distribution networks.
Solar inverter station protection and wind turbine isolation.
Mining and steel mill power quality management.
High-speed rail traction power transformer protection.
Our company adheres to the principle of "Development by science and technology, and survival by quality." We sincerely welcome customers from home and abroad to discuss cooperation and work together for the prosperity of the electric power industry.
