Huge urban population = increase in city sizes = increase in construction of buildings = increase in jobs = increase in income = increase in spending = boost economy (GDP)
Increase in factory workers and production (made in China)
It is the 'workshop of the world', building, making and distributing most of the worlds products due to low wages and many workers
Communist policies keep control on spending and consumption which is slowing economic growth
Communist government have tight controls on everything in society from education to businesses and even social media - e.g Facebook is banned.
President elected by national people's congress of a selected 3000 people = no democratic elections
National Communist Party have final say on all decisions