Cadillac, the next luxury car brand of the american general motors group, was born in 1902 in detroit, the city of american motors. For centuries, cadillac cars have created numerous priorities within the industry, setting industry standards for numerous luxury cars; the history of cadillacs can be said to represent the history of the united states. In the webster lexicon, cadillac is defined as the synonym for "excellent and prestigious things of the same kind" and is crowned as "world standard" by the london automobile club, which has always been known for its pursuit of high-quality and prestigious values. The cadillac has brought together 100 years of historical excellence and the wisdom of a generation of designers to become the leading brand of the automobile industry. The famous crown shield badge chosen for the cadillac vehicle symbolizes its leadership in the automobile industry. This profound and fine symbol is also a symbol of what the cadillacs used to be, as well as an expression of the courage and honour of the ancestors of the city's founders. The crown badge was taken from mr. Cadillac. Although the cadillac emblem was not registered as a trademark until 1906. But it has been used since september 1902. The early badge was designed to lean to the left, with a bouquet of tulips stretching up from both sides and meeting at the top of the crown. From 1916 to 1918, the cadillac logo was a tulip bud from the original trademark and a crown with nine beads. The pearls on the crown became seven and were designed to be shielded. This design was in use in 1925. In 1933, in order to better integrate with the cadillac-like pattern, the designer gave the signs long wings. After the war, the cadillac launched the new sign, the design consisting of the basic "v" word and the crown design. The 1947 sign combines the word "v" with the crown. Beginning with the 1956 model, the cadillac sign gradually became longer, lower and wider. By 1960, the cadillac model had reached a wider range. In the new century, the cadillac was relatively new in a series of dramatic creations, including the redesign of the cadillac crown shield sign. The newly designed car sign contains a bold and sharply contoursed angle reflecting the future design philosophy of cadillac. The new crown preserves the existing combination of colours — gold and yellow and pure black, symbol of wisdom and wealth; red, symbol of boldness; silver and white, symbol of purity, mercy, virtue and prosperity; blue, symbol of knighthood. The label is in platinum colour. It's a sign that's been in place for 27 years, and it's been in the design of 30 cadillacs in 97 years. From the time of registration of the cadillac trademark to the more than 100 years of today, the cadillac cars are used by numerous political, artistic and corporate giants, in which flintwood is regarded as a noble and more ceremonial vehicle, representing the high quality and image of the general company limo. Cadillac has always been the symbol of american luxury cars. In 2009, in an appeal to the united states federal government for help in declaring bankruptcy protection, general services, which had suffered a severe financial shock as a result of the subprime crisis, cadillac and beak chevrolet were declared re-prioritized. Henry martyn leland, founder of cadillac, is a manufacturer in new england. He attached great importance to processing precision, the quality of manufacture and the interchangeability of spare parts, and considered that to be the key to rapidly increasing production and expanding the scope of car development. Guided by that very innovative idea at the time, the cadillac factory in detroit had become a very large, well-developed and well-equipped car factory by 1906, and the cars produced were good. In 1909, when cadillac joined general motors, cadillac placed greater emphasis on the luxury and comfort of cars when designing them. To date, cadillac cars have maintained this tradition and are known for producing luxury cars. The cadillac car, which has had many unique designs and technologies unforgettable in its 100-year history, perpetuates it in the high-end luxury car market. Today's cadillac, even more at the historical level of 100 years of fine technology, has further integrated the concept of development that the general motors was designed to create, under the theme of "art and science", to do the best it could do in the future. The spirit of creation runs throughout the hundred years of cadillac development。