This is a country where COVID originated and with a population of 1.4 billion, yet apparently only 5,272 people have died. They're not great at telling the truth and are masters at propaganda.

They took much stronger stances against COVID than the US. Not sure what numbers they actually have, but I wouldn't be surprised if they were low.

The profits from companies are retained by the companies. Isn't the idea of socialism that the workers own the means of production and no companies profit? The Chinese economy is set up the exact opposite.

You have a fundamental misconception of what Socialism is. It isn't an ideal to be forced on a society, but the result of markets coalescing and centralizing, to be planned. Additionally, the majority of the PRC's economy is in the public sector. Private Property is abolished and absorbed by degree, not decree.

Read Socialism Developed China, Not Capitalism. I already recommended it, and you have not read it. Read it, it only takes 20 minutes.