The quality of the reporting does not suggest that they have any special secret access. They’re basically publishing tabloid style gossip from 3rd hand sources. Someone else’s speculation being presented as verified facts because a reporter calls he said she said “confirmed sources”.
It's impressive how these articles on topics/technologies/systems like this follow the stages of grief.
Denial - "it's not real, it can never be achieved"
Anger - "how dare they think they can even try to make an attempt? They'll just fail anyway"
Bargaining - "if they have a product, they are bottlenecked by using foreign technologies or subsystems, or it is reverse-engineered, or the domestic systems they have will never be ready or will always be inherently inferior for some reason" (this phase tends to be the longest and most drawn out, and we are at the early stage of bargaining for EUV, partly dependent on the limited competence/literacy of foreign awareness of actual PRC EUV efforts)
Depression - "it wasn't that important anyway"
Acceptance - to be honest I don't think I've seen this stage be reached yet for any type of technology/system capability