NGK SPARK PLUG CO., LTD. is a Japan-based company mainly engaged in the manufacture and sale of automobile-related products, as well as semiconductor-related and ceramic-related products. The Company operates in two business segments. The Automobile-related segment manufactures and sells automobile parts including spark plugs, glow plugs, various automobile sensors and ceramic engine parts, among others. The Technical Ceramics-related segment is engaged in the manufacture and...