That is a far cry from this...
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Despite efforts by the United Nations to impose isolating sanctions on North Korea in response to the countrys continued development of nuclear weapons and intercontinental ballistic missiles, trade between Russia and North Korea soared more than 85 percent in the first four months of the year.
http://www.dw.com/en/russia-steps-up-north-korea-support-to-constrain-us/a-38867861
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From the Sino-Russian Joint Statement of April 23, 1997:
"The two sides [China and Russia] shall, in the spirit of partnership, strive to promote the multipolarization of the world and the establishment of a new international order."
http://www.atimes.com/atimes/Central_Asia/HI29Ag01.html
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"Joint war games are a logical outcome of the Sino-Russian Friendship and Cooperation Treaty signed in 2001, and reflect the shared worldview and growing economic ties between the two Eastern Hemisphere giants."
http://www.heritage.org/research/commentary/2005/09/war-games-russia-china-grow-alliance
They are in an increasingly strong military alliance with the rapidly growing ChiCom military. They would not attempt it on their own.