Company overview
High-Voltage Protection, Switching and Insulation Manufacturing
Zhejiang GRL Electric Co., Ltd. brings product engineering, metalworking, assembly, inspection and export service together for high-voltage electrical applications.
GRL’s product line covers drop-out fuses, high-voltage fuse links, current-limiting fuses, load-break and disconnect switches, surge arresters, composite insulators, high-voltage bushings, power fittings, circuit breakers and electrical tools.
The company supports distribution networks, substations, industrial power systems, renewable-energy projects and infrastructure contractors with practical product selection, quality control and long-term supply.
30+Years in the electrical industry
Manufacturing & quality assurance
Controlled from Incoming Material to Final Inspection
GRL operates machining equipment, assembly lines, testing devices and inspection systems under standardized production procedures.
Materials and components
Incoming material and component checks are recorded before production begins.
Process control
Stamping, machining, assembly and in-process inspection follow defined work instructions.
Electrical verification
Fuse characteristic, power-frequency withstand and temperature-rise tests support product release.
Mechanical and environmental checks
Mechanical life, salt-spray, vibration and environmental reliability tests are available where required.
Finished-goods control
Final labels, quantities, packing and inspection records are checked before dispatch.
Factory environment
Real Production, Inspection and Dispatch Areas
Images and notes below correspond to the working areas shown in the carousel.
01/07
Certified management
Certified Quality Management
GRL continues to improve quality, environmental and occupational health management systems through documented procedures and inspection.
ISO 9001 Quality Management System
ISO 14001 Environmental Management System
ISO 45001 Occupational Health & Safety
Product Compliance Certificate
Electrical Product Certification
TUV Certification
OEM & ODM support
OEM Review for Selected Product Families
GRL checks product selection, specification changes, drawings, labels, packaging and documents against the product design and order quantity.
View OEM Scope
Our history
Development History
Key milestones in GRL’s product development, manufacturing growth and market expansion.
Our culture
Responsible Manufacturing, Continuous Improvement
Reliable products come from responsible manufacturing, practical improvement and long-term cooperation.
Looking for Reliable High-Voltage Electrical Products?
Contact GRL to discuss product requirements, technical specifications, customized cooperation and project supply.