The investments listed here in the article make this seem like an effort to shore up or incentivize industries or companies that are integral to national defense. One example, in the ongoing US-China trade war one of the strongest moves China did was put [export controls on rare earth minerals][1] which are essential components across technology, defense, and healthcare to name a few. The government investing in these companies isn't ideal from a free enterprise perspective but seems rational from a national security perspective.
[1]: https://en.wikipedia.org/wiki/Rare_earths_trade_dispute