January 18, 2018

MOSCOW (Reuters) - Russia has started delivering its S-400 surface-to-air missile system to China under the terms of a contract signed in 2014, the TASS news agency cited an unnamed source in the Russian military-industrial complex as saying on Thursday.

https://uk.reuters.com/article/uk-russia-china-missiles/russia-starts-shipping-s-400-air-defence-missile-system-to-china-tass-cites-source-idUKKBN1F70MJ