From International Assessment Strategy Center:
Yes, China is dead serious about aircraft carriers.
The most important news to emerge from the Euronaval weapons show at Le Bourget field near Paris, October 23-27, was word that Russia had agreed to sell China two Sukhoi Su-33 carrier-based fighters, with the possibility of selling up to 48 or 50 of these fighters. These would arm the three carrier battle groups that, according to Chinese press reports, are on track to be ready in a little more than a decade.
Should these fighters receive a maximum Russian upgrade, then the PLA Navy could possess fighters that in important respects would be superior the U.S. Navy F/A-18E/F, the dominant U.S. Navy combat aircraft for the foreseeable future. [Full Text]