Shu Guang
Shu Guang
Located in Yueqing, Zhejiang Province—widely recognized as the "Electrical Capital of China"—Wenzhou Shuguang Fuse Co., Ltd. stands as a beacon of engineering excellence in the power technology sector. Our journey began in 1992 as the "Yueqing Shuguang Fuse Factory," and over three decades, we have evolved into a comprehensive enterprise integrating R&D, advanced production, global sales, and technical service.
As a key player in the China BestEFuses Factories network, we specialize in high-voltage and low-voltage protection systems that safeguard critical infrastructure across the globe. Our commitment to innovation is reflected in our robust "Shu Rong" brand, which has earned the trust of utility providers and industrial giants alike.
The global push for grid modernization requires fuses that can handle high-frequency switching and bidirectional power flows. We are at the forefront, developing medium-voltage DIN standard back-up fuse-links that ensure stability in digitalized substations.
As the automotive world shifts to EVs, the demand for high-speed current-limiting fuses has skyrocketed. Our wholesale EV fuse manufacturing lines are dedicated to providing the ultra-reliable protection needed for high-voltage battery packs and charging stations.
Solar and wind farms present unique environmental challenges. Our polymeric and porcelain insulators, combined with outdoor expulsion fuse links, are engineered to withstand extreme UV, humidity, and temperature fluctuations in localized micro-grid scenarios.
The global fuse market is projected to grow significantly as industrialization in Southeast Asia, Africa, and the Middle East accelerates. Procurement managers are increasingly seeking "BestEFuses" factories that offer not just products, but verified reliability and international compliance.
Our status as a factory designated by the Ministry of Electric Power Industry allows us to produce high-voltage current-limiting fuses and transformer protection devices that meet the world's most stringent requirements.
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. Every performance indicator complies with VDE0636, BS2692, and GB15166 standards, ensuring that our clients receive "BestEFuses" quality without compromise.
Wenzhou Shuguang Fuse Co., Ltd. serves a vast international clientele. From powering urban distribution networks in Europe to protecting remote mining facilities in Africa, our products are engineered for diverse environments.
Our products are exported across Southeast Asia, the Middle East, and Europe, ranking consistently at the top of the industry in domestic and international sales volume.
In recent years, we have invested heavily in automated testing equipment. Our ability to customize new products according to specific user needs—such as unique current-limiting curves or mechanical dimensions—sets us apart in the global market.
Being based in Yueqing gives us access to high-quality raw materials and specialized sub-suppliers, allowing us to maintain competitive pricing while upholding premium quality standards (the "BestEFuses" philosophy).
Every product, from a miniature 10KV fuse link to a heavy-duty porcelain cut out, undergoes rigorous performance testing. We don't just sell products; we sell guaranteed electrical safety.
Transformer Protection in Modern Substations
Urban Grid Reliability Systems
Solar PV Plant Circuit Safeguarding
High-Voltage Capacitor Bank Protection
