First, because no one will ever buy such a lackluster heavy fighter, one which can't even deal with a contemprorary light fighter.
Su-35 has orders despite direct US interference with the deals and open pressure on countries buying it. Even China got its part of this pressure.
Second, because at least someone will try fo buy such a world-beating light fighter, which with some tactics not only deals with heavy fighter from an estslished producer, but shuts it down on top of that.
J-10 can't beat even poor little mig-29m in orders, despite all hardships of its producer.
3. j-10 carries no "low drag" ew suites at all, and su-35 does. One developed specifically for it. "switching off" worlds' most powerful fighter radar by small internal suite only?
Either j-10 is a strategic bomber in disguise, or pilot uses daoist magic.
4. mobile phones and other parts of radio industry are important, but it is still China buying russian radars and trying to export Chinese developments of these stations, and not the other way around.
If you think what by producing AESA radar you suddenly turned into raytheon - you got it wrong.
2. J-10 being compared to Mig-29 in sales? Have you considered the fact that military exports are extremely political and Mig-29 carries two engines so any airforces requiring that will automatically go with Mig-29. Also when has J-10B and J-10C been promoted for export? J-10A are not built anymore. So at the moment J-10 are not even properly available for export because PLAAF orders for exceed the ability for CAC to keep up.
4. What does this have anything to do with J-10? No one suggested that suddenly producing AESA means better. Only your insecurity is worried about that suggestion. What you use as evidence is idiotic. Your "logic" is this; because China has purchased two radars recently from Russia, it MUST mean China's radar tech is behind Russia's. Ignoring the fact that USA also purchases Russian gear for evaluation so maybe China is doing that just to see how far behind Russian and Indian equipment is. That is one possibility. You also conveniently choose to ignore the fact that one of the two radars are with S-400 purchase and the other is with Su-35 purchase. Both of which are package deals and will not come without. Why would China buy su-35 without Irbis and S-400 without its phased arrays? Even if they are dogshit radars, it's still worth having to see what your powerful neighbour has as its current best in service radar. Also you're ingoring the dozens of other Chinese radars that proliferate on destroyers, land based, SAMs, and aircraft, none of which use Russian bases.
The overwhelming evidence shows that Russia is very far behind everyone else including China and Europe on electronics. Keep believing the actual fairytales like nuclear cruise missile, space strategic bomber, Su-57 ultimate fighter, Khibiny jammer that can disable entire AB destroyer
and Su-35s locking onto F-22 in Syria. The claims go on but it seems like China practices show don't tell when they have well exceeded the stuff they are currently showing while Russia is make stuff up to look strong. If you want to believe that most of Chinese tech is still behind Russia and so imports some stuff here and there, you can go ahead. But the reality is these imports have gone from 100% reliance on Russian imports down to Su-35 and S-400 limited purchases which are only Russia's latest and greatests, and even then, mostly used for evaluation to ascertain how effective Russian and Indian equipment is , how to defeat them, and if better in certain ways, to adopt and copy. I guess the J-20 is also waiting for Su-35's radar and engines like all the Russiadefense guys believe
How did China produce AESA for J-10C, J-15, J-16, and J-20? How did China produce Type 346A and 346B radars without Russian help? And Russia hasn't even fielded an AESA on fighter or phased arrays on ships. Or are all those Chinese stuff fake?