A new paradigm of urban development of aortic rail transit. Official website, Chengdu Metro Operation Co., Ltd. introduced that corporate vision of Chengdu Metro is a new development mode of the aorta rail transit city, and its corporate mission is to make travel faster and make Chengdu more prosperous. Chengdu, also called Rongcheng and Jincheng for short, is a prefecture-level city under the jurisdiction of Sichuan Province, a provincial capital, a sub-provincial city, a megacity, a national central city and a world food capital. Located in the southwest of China, the west of Sichuan Basin and the hinterland of Chengdu Plain, it has a subtropical monsoon humid climate.