Who We Are

About ZDVolt

ZDVolt is a leading manufacturer and global supplier of high-voltage electrical equipment, specializing in transformer bushings, current transformers (CTs), and substation insulators. Founded with a commitment to engineering excellence, we have grown to become a trusted partner for power utilities, transformer OEMs, and EPC firms across more than 50 countries. Our state-of-the-art manufacturing facilities are equipped with advanced CNC machining centers, automated winding systems, and world-class testing laboratories capable of handling voltages up to 1100kV. Every product that leaves our... Learn More
Why Choose Us

Retrofit & Solutions

Retrofit & Replacement

Direct replacement bushings compatible with all major transformer brands — OEM-interchangeable designs that minimize outage time.

Engineering Support

Dedicated technical team providing application engineering, installation guidance, and commissioning support worldwide.

Global Service Network

Products installed in 50+ countries with responsive local support, spare parts availability, and field service capabilities.

Quality Assurance

ISO 9001 certified manufacturing with in-house testing up to 1100kV. Every unit fully tested per IEC/IEEE standards.

Advanced Technology

State-of-the-art R&D and testing facilities with capabilities up to 1100kV, ensuring highest performance standards.

Proven Reliability

Decades of field-proven performance powering critical infrastructure in the most demanding environments worldwide.

Stay Updated

Latest News & Insights

Ready to Power Your Next Project?

Contact our engineering team to discuss your requirements and find the right solution.

Get in Touch