22 April 2012 Updated at 03:43 ET
China and Russia launch naval exercises in Yellow Sea
Four warships are among the vessels supplied by Russia
Related Stories
How China is advancing its military reach
Military balance: The US and other key countries
Aircraft carrier symbol of China's naval ambitions
Chinese and Russian naval forces have begun six days of joint exercises in the Yellow Sea off China's eastern coast, Chinese state media report
link-
http://www.bbc.co.uk/news/world-asia-17803624