Since our founding in 1936 as a manufacturer of spark plugs, the history of our company has been one of technological innovat ... ion. The technology and expertise we accumulate in product development processes is reinvested in new applications, enabling us to grow into new fields of business. For more than 80 years, NGK has been driving performance with the latest in spark plug and oxygen sensor technology. Our team members are fuelled by an unrivalled passion for their industry and a commitment to innovation. read more