Protecting Power Transmission line with High End Quality Corona Rings

About

Nalva Group

We don’t just build structures — We build possibilities.
Powering today, shaping tomorrow.

At Nalva Group, we started with a bold vision—to power the future. Our journey began in the transmission sector, where we built the backbone of energy networks, ensuring reliable power reaches industries, cities, and communities. Over the years, we have expanded into the infrastructure and construction sectors, but transmission remains at the core of our expertise.

Vision

Our vision is to lead in advanced manufacturing with precision, innovation, and sustainability, setting new excellence standards through cutting-edge technology and progressive methods.

Mission

Our mission is to uphold national pride, deliver exceptional products and service, and inspire the world with vision, purpose, and integrity.

Nalva Transmission Industries

Precision-Engineered Corona Rings for High-Voltage Systems

Welcome to NALVA TRANSMISSION INDUSTRIES, a leading manufacturer of corona rings for the power transmission industry. Our products ensure reliable and efficient transmission of electricity while minimizing corona discharge. We deal with high power transmission lines. We manufacture corona/grading rings from 220kv to 765kv & 500kv & 800kv DC as per PGCIL specifications. And also, for substation, lightening arresters. We are best in our field of fabrication & surface treatment for the rings which need to smooth & plays the major role to protect insulator from getting damaged. Our ring assures to extend the life of the insulator by maintaining the quality to submerge the corona discharge problem. Aluminum is the most common metal used in the manufacturing of corona/grading ring.

We are approved by PGCIL

View our
intro video

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intro video

Nalva Constructions

Innovative Residential, Commercial & Infrastructure Solutions

At NALVA CONSTRUCTIONS, we are dedicated to building strong, durable, and aesthetically striking structures that stand the test of time. With expertise spanning residential, commercial, and infrastructure projects, we seamlessly integrate innovation, superior craftsmanship, and a customer-centric approach to bring your vision to life.