Business Description
Niterra Co., Ltd., formerly NGK Spark Plug Co., Ltd., is a Japanese manufacturer founded in 1936 and headquartered in Nagoya, Japan. The company produces a wide range of products sold under the NGK and NTK brands, including spark plugs, glow plugs, and engine sensors for both original equipment and aftermarket customers around the world. It also develops advanced ceramic materials used in semiconductors, medical devices, industrial machinery, and cutting tools. In addition, Niterra offers an air purification product that uses ozone to remove harmful substances and viruses from indoor environments.
