Xi'an Aircraft Industrial Corporation, also known as Xi'an Aircraft Company Limited (XAC), is a Chinese aircraft manufacturer and developer of large and medium-sized airplanes. It is based in Yanliang District, Xi'an, Shaanxi Province, adjacent to Xi'an Yanliang Airport. It is joint partners with No. 603 Aircraft Design Institute of military aircraft. XAC was established in 1958 and has more than 20,000 employees.