> I'm not sure how you solve that in a finance centered economy with no local industry
You change it to be a not-finance-centered economy.
You change it to be a not-finance-centered economy.
They didn't build it up on their own. They saw opportunity in western businesses who wanted lower wages and less strict environmental laws, and lured them in. The western businesses then moved all their manufacturing to China who then spied on these factories to out-compete the western businesses with "home grown" products they copied.