The PRC has one of the world's largest forces of advanced long-range surface-to-air missile systems — including Russian-built S-400s, S-300s, and domestically produced Hong Qi systems — that constitute part of its robust and redundant integrated air defense system (IADS) architecture.
The People's Republic of China has an extensive array of advanced long-range surface-to-air missile systems, such as Russian-built S-400s, S-300s, and domestically produced Hong Qi systems, which are a key component of its integrated air defense system (IADS).