Line 2 of the Xi'an Metro is a rapid transit line in Xi'an, Shaanxi Province, China, running from north to south. The line is 33.637 km (20.901 mi) long with 25 stations. The line is colored red on system maps.

CRRC Changchun Railway Vehicles Co., Ltd. is a Chinese rolling stock manufacturer and a division of the CRRC. While the CRV emerged in 2002, the company's roots date back to the establishment of the Changchun Car Company in 1954. The company became a division of CNR Corporation before its merger with CSR to form the present CRRC. It has produced a variety of rolling stock for customers in China and abroad, including locomotives, passenger cars, multiple units, rapid transit and light rail vehicles. It has established technology transfer partnerships with several foreign railcar manufacturers, including Bombardier Transportation, Alstom, and Siemens Mobility.