Audi, owned by Volkswagen, is headquartered in Ingolstadt, Germany, with an annual output of about 450,000 cars. The main products are A3 series, A4 series, A6 series, A8 series and convertible and sports car series.

Holsey, the founder of Audi Automobile Company, has been engaged in machinery manufacturing for a long time after graduating from college. It integrates theory, practice and experience. Later, Holsey finally realized his wish to design a car. In order to realize his original career ideal, he went through many twists and turns and named his new company as Audi in 19 10. These letters are prefixes of the Latin name of his former company.