Founded in 1950s, Beijing Shougang Men's Basketball Team is one of the earliest basketball teams in China.
2. National security refers to beijing guoan football club. Beijing Guoan Football Team is a professional football team to which beijing guoan football club belongs, and it is also the only professional football team that has never changed its owner since China Football Professional League 1992. This is the earliest professional club established in Chinese mainland. The predecessor of Beijing Guoan Football Team is the Beijing Football Team under the Beijing Sports Bureau.