An official with Russia’s Rostec said his country is now assembling the first set of S-400 air defense missile system ordered by China.
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By ru:Участник:Goodvint (Own work) [GFDL or CC BY-SA 3.0], via Wikimedia Commons
Victor Kladov told reporters at the sidelines of Aero India 2017.
Now chinese air defense forces become more powerful.