Chengdu, a prefecture-level city under the jurisdiction of Sichuan Province, is also known as Rongcheng and Jincheng, the capital of Sichuan Province, a sub-provincial city, a mega-city, a core city of Chengdu-Chongqing economic circle, an important central city in western China, an important national high-tech industrial base, a trade and 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. Chengdu is one of the top ten ancient capitals in China, the first batch of national historical and cultural cities, and the birthplace of ancient Shu civilization. Jinsha Site in China has a history of 3000 years. Zhou was named after "one city a year, one city every two years and one city every three years".