▽ is the logo of French car manufacturer Renault. Renault Automobile Company is named after the surname of its founder, luis renault. The graphic trademark is a mosaic of four diamonds, which symbolizes the integration of the three Renault brothers and the automobile industry, and indicates that "Renault" can compete, survive and develop in an infinite (four-dimensional) space. Then Renault transformed the logo, simplifying the pattern composed of four diamonds into a diamond pattern, which is the Renault logo we see now. The logo of Renault Fenglang, a high-end brand of Renault, is the shape of ▽. Renault Automobile Company is a French automobile manufacturer. In October 1898, louis renault founded the Renault factory in Biyangu, and later reorganized it into Renault Co., Ltd. to produce various vehicles. Firearms, ammunition, airplanes and light tanks were produced in the First World War. After the war, traditional production activities were resumed, and new fields and departments were constantly opened up, and contacts with other industrial companies were strengthened, making it one of the largest industrial enterprises in France at that time.