Although China is increasing its amphibious capabilities [0], it's unlikely that the US would allow Taiwan to be taken over militarily. It's much more likely that China would go for a political takeover, and I doubt that'd happen in the next decade or so, by which time China may very well have their own leading edge fabs.

[0] https://thediplomat.com/2018/08/5-pla-navy-projects-to-watch... The author is a credible source active on reddit as /u/PLArealtalk