Nichiden Seimitsu Kogyo (連会社日電精工株式会社) (NSK, 日本精工) (also known as Nippon Precision Industry, 日本精密産業) is a company that manufactures leadframes and precise metal molds for electronic devices. Its products include stamp thin metal and non-metal materials, accelerometers, bandage stoppers, etc, The company offers automation installations, plating, coating, and other services.