That's a good list tphuang has made. But China ever bought Mi26?
Also, there are some land warfare systems clearly have russian influences, they may be continued with russian help to some extend. zbd97 IFV, PLZ05 SP artillery, A100 MRLS.
They might buy some Mi-26s. That's definitely on the list. As for the land system, I can't really comment on them, since I don't really follow that side.
the first Chinese carrier is actually planning to be more advanced than the last Soviet carrier. As for submarine, I mentionned in my piece already. Long distance bomber, would the Russians really help China on this? Russia does not sell China anything strategic.They have decades of experience in military technology in areas where China is only taking it's first steps or hasn't begun to attempt. These are mainly naval, carriers and submarines and strategic aviation, I doubt that China could develop a heavy bomber without talking to the gentlemen at Tupelov.
The Russian engineers that were there during soviet times have left due to the 90s financial trouble. Many of them in fact came to China. It's always good to have military cooperation with other countries, but it can no longer be primary to secondary type of cooperation between the two countries but rather on an equal basis.Even when China has developed it's indigenous technology to a greater extent, it would probably be wise for them to keep close relations with Russia, even buying Russian equipment or using Russian componentry. Suppose in 10 year's time Chinese engineers working on a major defence project find themselves trying to solve a problem beyond their experience, but which Russian engineers solved before? It's best to keep all your options open in case of such an eventuality.