Sometimes a single party communist government has its advantages. When you don't have to worry about pesky things like human rights and property rights, you can move pretty quickly!
Modern China has morphed itself into a highly capable society. They make your drones, they make your computers, they make your textiles... and mostly, they do it while providing their people better quality of life than the previous generation.
Counter-anecdotes abound as you'd expect t from a society of millions. But there's widespread prosperity over there.
There are plenty of decent opportunities for those who want to work hard, no different to how it is in the US.