About NGK

Business Overview

Active in the spheres of mobility, energy, IoT, and industry, NGK Group draws on proprietary ceramic technologies to move the world closer to carbon neutrality and to advance the digital society. Committed to providing products and services that draw on these unique ceramic technologies, NGK Group will take on the challenge of creating new value for the development of a more comfortable society through actions such as reducing the strain on our global environment, contributing to a smart society, and ensuring power supply stability.

Environment Business

Protecting clean air

NGK develops and provides exhaust gas purification products and energy-efficient equipment for the automotive and industrial sectors.

Digital Society Business

Advancing the digital society

NGK provides various products that contribute to advancing technological innovation in the field of electronics and addressing issues faced by a digital society.

Energy & Industry Business

Supporting Global Power Supply

NGK responds to changes in power infrastructure and provides products and services such as insulators and energy storage systems that contribute to power supply stability and decarbonization.

Sales

As of March 2025

Net sales JPY 619.5 billion, Digital Society Business 28%, Energy & Industry Business 9%, Environment Business 63%

Global Operations

As of March 2025

Overseas Production Bases (10 countries)
Overseas Sales Ratio
Products

NGK continues to develop and supply products that support societal infrastructures and help resolve environmental challenges.

Innovation

Creating new global standards with an eye on the future and the world.