Whatever accomplishments they've made in this area have come just as their accomplishments in all of recent history: Theft.
The actual technology is always developed by someone else, usually American, then stolen by or for the Chinese.
Manned space flight is still beyond the Chinese, without the technology they've stolen from us.
Ok, fine.... Let's assume you're correct about that. Now take a moment to place that comment within the context of this discussion.
See what I'm saying?