The late decision to switch from steam to EMALS and the problems with the Fujian island were probably also factors.
We are at 3 carriers now. With the 004 being ready in the next 2-3 years we'd be at 4. There are also quite a lot of rumors that Jiangnan is already working on a conventional (Fuijan sister) carrier. So assuming that's true, we'd already be at 5. Yes, not six but still absolutely amazing production tempo and not completely impossible to achieve 6 around 2036-2038.
Given the observed and expected military procurement rates in the Chinese Navy and Air Force (~twice the US rate), by 2030, I expect the 1IC should be pretty secure.
So weapons system procurement should shift to distant power projection to the 2IC and beyond. That means a lot more aircraft carriers.
My guess is that today, China will simultaneously build a nuclear carrier and also a conventional carrier. So by 2030, there should be mature carrier designs ready for serial production.
So if US-China relations are still bad, I wouldn't be surprised if 4 carriers (from both shipyards) are built between 2030-2035.
That would mean 9 carriers in total in the aforementioned 2036-2038 timeframe
Combined with the Air Force and Missile Force, this would radically change the strategic balance, as China could aim for air-sea superiority to the 2IC and a bit further beyond.