Changan is a Chinese automobile manufacturer headquartered in Chongqing, China, and a state-owned enterprise. Its principal activity is the production of passenger cars, microvans, commercial vans and light trucks. Changan designs, develops, manufactures, and sells passenger cars sold under the Changan brand and commercial vehicles sold under the Chana brand. It operates joint ventures with Ford, Mazda and Suzuki which respectively produce Ford, DS Automobiles, Mazda and Suzuki branded passenger cars for the Chinese market. It also has a joint venture with Jiangling Motors (JMC), which produces SUVs sold under the Landwind marque. Changan is considered to be one of the "Big Four" Chinese automakers, and manufacture of 3 million units in 2016 saw the company rank fourth among China's automakers by production volume. It is China's second most popular car brand, with 1.4 million Changan cars sold in 2016. A subsidiary of Changan, Chongqing Changan Automobile Company, is listed on the Shenzhen Stock Exchange.