Chengdu, referred to as Rongcheng and Jincheng for short, is the capital of Sichuan Province, a sub-provincial city, a megacity and the core city of Chengdu-Chongqing Twin Cities Economic Circle. It is an important central city in western China, an important national high-tech industrial base, a trade logistics center and a comprehensive transportation hub approved by the State Council. Chengdu is located in the southwest of China, the west of Sichuan Basin and the hinterland of Chengdu Plain, with flat terrain, vertical and horizontal river networks, rich products and developed agriculture. It belongs to subtropical monsoon humid climate, and has the reputation of "Land of Abundance" since ancient times. It is the headquarters of the western theater organs of the Chinese People's Liberation Army. As an important electronic information industry base in the world, it has 30 national scientific research institutions and 67 national R&D platforms. There are 56 colleges and universities with about 3.89 million talents of all kinds; In 20 19, 30 1 Fortune 500 companies settled in.