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 PRC is equipped with a substantial number of sophisticated long-range surface-to-air missile systems, including Russian-made S-400s, S-300s, and domestically developed Hong Qi systems, forming part of its comprehensive IADS.