Audi's trademark is four connected rings. Audi USA's existing four-chain trademark was the first logo of the Auto Union in 1932, and it symbolizes the alliance of the four car companies Audi, Hoshi, DKW and wanderer4. In 1965, with the rebirth of the Audi brand, the four-ring logo continued to be used. Audi is an internationally renowned luxury car brand. As a representative of high technology levels, quality standards, innovation capabilities and its classic models, Audi is one of the most successful car brands in the world. The company is headquartered in Ingolstadt, Germany. The Audi Group includes its parent company and its subsidiaries Audi Hungary, quattro GmbH, Automobili Lamborghini and Cosworth Technologies, Audi Brazil and Audi Senalita. In addition, Audi has established production plants in China, Malaysia and South Africa. Audi is one of Germany's oldest car manufacturers. Since 1932, Audi has adopted the four-ring logo to represent the Auto Union company that merged Audi with DKW, Hodge and Wanderer. In the 1930s, Auto Union covered all passenger car segments that the German automotive industry had to offer, from motorcycles to luxury cars. Audi Germany's history of manufacturing cars and motorcycles dates back to the 19th century. At first, four automobile companies, Audi and Hoch in Saxony, Wander in Zwickau, Wander in Chemnitz-Sigmar, and DKW in Zschopau, made outstanding contributions to the progress of the German automobile industry at that time. In 1932, four automobile companies merged to form the Auto Union AG (Auto Union). In terms of automobile production, Auto Union was the second largest automobile manufacturing company in Germany at the time. Its product logo was four connected rings, representing the four automobile companies participating in the merger. The four-ring symbol appeared for the first time in the world.

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