I simply stated that China does not yet have a delivery system for a large, Nuclear weapon which can hit the US from China. They could certainly develop the technology, but they do not have it yet. Taking a satelite down with a terrestrial missile is nearly impossibe. It would be difficult for the US to do. China does not have a terrestrial missile which can be launched from the ground and hit a satelite.
As to where I get my info.......I learned about this when I held one of those jobs that nobody talks about in the Navy. No, I'm not basing this on classified data. It was just a rather important subject to know about in my old line of work.