Jinchang, also known as Nickel City, is a prefecture-level city under the jurisdiction of Gansu Province. As of the end of 2022, it has 1 district and 1 county under its jurisdiction, with a total area of 9,600 square kilometers and a resident population of 434,400. Jinchang City is located in northwestern China, Gansu Province, the middle part of the Hexi Corridor, the northern foot of the Qilian Mountains, the terrain is high in the south and low in the north, belonging to the continental temperate arid climate. Jinchang City is one of the major cities in the Hexi Corridor, established in 1981, due to the territory of Jinchuan District, Yongchang County, jointly known as Jinchang and the city name. The city was established in 1981 because Jinchang District and Yongchang County were jointly called Jinchang. Because of the abundance of nickel is known as "the motherland of nickel". The city has a national economic and technological development zone, Zijin Cloud Data Center, postdoctoral research stations, national engineering and technology research centers, national and provincial key laboratories, Jinchang Customs, and a complete three-dimensional transportation network with Jinchang Airport, Lanzhou-Xinjiang Railway, Jinwu Expressway, Jin'a Railway, etc. as the skeleton. In 2023, Jinchang's regional GDP will be 56.773 billion yuan, an increase of 11.5% over the previous year.