Shu Guang
Shu Guang
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Located in Yueqing, Zhejiang Province, known as the "Electrical Capital of China," Wenzhou Shuguang Fuse Co., Ltd. stands as a beacon of excellence in the power technology sector. We are a comprehensive enterprise integrating research, development, production, and global sales.
Our roots trace back to the "Yueqing Shuguang Fuse Factory" established in 1992. With over three decades of specialization, we have evolved from a local manufacturer into a globally recognized supplier of HRC fuse boxes and high-voltage protection equipment.
Under our renowned "Shu Rong" brand, we have built a reputation for reliability, safety, and innovation, ensuring that power systems across the globe remain protected against electrical faults.
The global shift toward smart grids requires highly responsive and reliable circuit protection. Modern HRC fuse boxes are no longer just passive components but critical safety nodes in complex digital energy networks.
As the Electric Vehicle (EV) market explodes, the demand for specialized high-voltage fuses for battery protection and charging piles has skyrocketed. Our factory is at the forefront of this transition, producing dedicated EV fuse solutions.
Solar and wind power plants operate under unique electrical stresses. High Rupturing Capacity (HRC) fuses are essential for protecting photovoltaic inverters and wind turbine transformers from short-circuit surges.
Our commitment to E-E-A-T principles is backed by rigorous testing and international standard compliance. Wenzhou Shuguang Fuse Co., Ltd. is designated by the Ministry of Electric Power Industry to produce high-voltage electrical components.
Our products meet the highest global technical performances, complying with:
We have passed the ISO9001:2000 quality system certification, and our products undergo testing at the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center and the Xi'an High-voltage Electrical Apparatus Research Institute.
Used in high-voltage switchgear to protect transformers and feeder circuits. Our XRNP and RN series provide precise current-limiting capabilities.
CE certified HRC fuse boxes are installed in underground distribution networks in Europe and Asia to prevent cascading failures in densely populated areas.
In harsh mining environments, our polymeric insulators and high-voltage fuses offer rugged protection against dust, vibration, and extreme electrical loads.
Specifically designed "Tail wire recovery Capacitor protection fuses" ensure that energy storage systems remain safe during discharge cycles.
In recent years, Wenzhou Shuguang Fuse has invested heavily in sophisticated testing equipment and automated assembly lines. High-quality raw materials are the backing of our quality assurance system. All performance indicators are in line with international technical conditions.
Our "Development by Science and Technology" philosophy allows us to customize products at any time according to user needs, making us a preferred partner for global OEM/ODM requirements.
Our products are exported to Southeast Asia, the Middle East, Africa, and Europe. We have established good business contacts with major provincial power companies in China and international utility providers.
We use high-purity silver for fuse elements and high-strength porcelain or polymeric materials for housings, ensuring maximum rupturing capacity and longevity.
Whether it is a specific voltage level or a unique mounting dimension (e.g., 82mm or 92mm J Slotted fuses), our R&D team can deliver bespoke solutions tailored to localized infrastructure.
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Wenzhou Shuguang Fuse Co., Ltd. continues to deepen and improve its quality management system. While vigorously developing new products, we have always attached importance to the process flow. Our "Shu Rong" brand products have enjoyed a high reputation among domestic and foreign users. 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 and create a brilliant future.