Wheat, true. It’s questionable if they can still do much in titanium. Neon is mostly Ukraine, Russian rocket engines are pretty much done (they spent everything they inherited from USSR), and hypersonic appear to be a scam.
Here is what they can’t manufacture: electronics. Or planes, or tanks, or even ordinary cars.
Assuming China will want to sell them (and it might not want to; it’s not just Apple that you can’t buy in Russia anymore) - sure. But they doesn’t change the fact that the entire Russian economy is on life support.