France had their construction boom earlier, so they're ahead of the curve. The article suggests that the secret of cheap reactor construction is mostly economies of scale: if one reactor is too expensive, buy fifty instead.

China has been reducing approvals for new reactors in recent years, to the point where the share of nuclear electricity generation is actually going down. Maybe 40 years down the line, they'll want to build just one more reactor to deal with increased demand and discover that the supply chain has atrophied so the project becomes an expensive boondoggle.