NGK INSULATORS, LTD. is a Japan-based company mainly engaged in the provision of ceramic products. The Company operates in three segments. The Electric Power-related segment is engaged in the manufacture and sale of electrical insulators and machines, as well as sodium-sulfur (NAS) batteries. The Ceramics segment is engaged in the manufacture and sale of automotive ceramics products, as well as general industrial ceramics products and machinery including corrosion-resistant machinery for chemical industry, membrane separation devices for liquid and gas, combustion equipment and refractory materials, among others. The Electronics segment manufactures and sells beryllium rolled copper products, ceramic products for electronics industry and semiconductor manufacturing, and molds. The Company is also engaged in the operation of golf courses.