While these private companies exist and are in it for the profits, they don't control the government, meaning any potential price gouging is strictly regulated. The Chinese government actively prevents private companies from becoming too powerful or dominating an industry in the public eye. Instead, they foster competition by promoting and building up alternative companies.

A great example of this is how they handled digital payments. While Visa and Mastercard maintain a monopoly in the West, China faced a similar situation when private mobile payment systems began dominating the market. In response, the government stepped in and forced the ecosystem to open up to competitors.

In China the desire for profits serves the society. In the US the society serves the desire for profits.

They are but the difference is that China doesn't want to encourage monopolies and have zero qualms in jailing or executing bad business leaders.