The 052C-class guided missile destroyer Lanzhou (Hull Number 170) was commissioned to the South China Sea Fleet of the PLA Navy in 2005. Destroyer Lanzhou is the first 052C-class guided missile destroyer and a new generation of air defense destroyer for the PLA Navy. The 052C-class guided missile destroyers are the first type of destroyers that are equipped with active phased array radar system and air defense missile vertical launching system, which has greatly promoted the Chinese PLA Navy's air defense capabilities.