Su-35: does Russia need Chinese contract?

Russia and China have clinched a preliminary agreement on the delivery of 48 Sukhoi Su-35BM fighter jets to the Chinese air force, sources in Russia’s Federal Service for Military-Technical Cooperation said on Wednesday. The agreement worth 1.5 billion dollars may add to the Su-35 foraying into international markets even though Russia’s cooperation with China in this field is fraught with substantial risks.

See the full article at Moscow Time