Cadillac (translated as "Kadley" in Hong Kong) is a luxury car brand under the General Motors Group. It was born in 1902 in Detroit, which is known as the American Motor City. Cadillac's famous Corolla coat of arms symbolizes its leading position in the automobile industry. This profound and exquisite symbol is also the symbol of Cadillac family as a royal aristocrat, and it also shows the courage and honor of the founders and ancestors of Detroit city. The Corolla badge is taken from the badge used by Mr. Cadillac. Although Cadillac badge was not registered as a trademark until 1906. But it has been used since September 1902. In the early badge design, merlettes leans to the left, and the garlands composed of tulip buds extend upward from both sides and meet at the crown at the top.