Uncompromising quality and advanced technologies:
That's why our insulators are selected to sustain power supply the world over.

By ensuring that transmission lines and steel towers and equipment are completely isolated, insulators play a crucial role in maintaining the safety and stability of our energy lifelines. Given the magnitude of their task even the slightest defect can have dramatic consequences insulators must be reliable beyond doubt. NGK Insulators, we're insulator specialists; since the company's inception in 1919, we've consistently developed our own unique technologies and created products with the durability and quality needed to perform, even in harsh environments subject to earthquakes, typhoons, and heavy snowfall. Among the world-beating products we've developed and made are the world's strongest insulators for UHV (1 million volts) power transmission and bushings based on the world's largest hollow insulators. We also boast the world's largest production capacity something that comes in handy when your products are used in at least 100 countries. Backed by uncompromising quality and advanced technologies, our products continue to make power supply both safe and secure.

High Voltage Laboratory

Take a quick look at NGK's test facilities, Insulator Museum and NGK Review.

High Voltage Laboratory

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