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SlashesThe Nittoku Way

The ‘Nittoku Way’ is the guiding philosophy of NGK SPARK PLUG and refers to a set of values which the entire Group and all employees commit to sharing and passing down to the next generations. All actions as well as the manner in which those actions are carried out are based on this philosophy.

Sincerely, do our very best

Shisei means being sincere at the highest level, and Shinjitsu means being serious and honest without false intentions.

Believe in one’s own ability, and take actions by oneself

Dokuritsu-Jiei means not relying on others easily and engaging in our work believing in our ability.

Unite efforts with the people of the world, and utilise each other’s differences

Shikai-Keitei means to cooperate with the people of the world (Shikai) like brothers and sisters.


Have cherished desire, and carry it through till the end

Soshi-Kantetsu means to have the resolution and sense of mission that we can never compromise, and to carry through till the very end.

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