Just look at a map of GDP growth rates or per capita incomes of the various provinces to see the the massive differences - coastal provinces are streaks ahead of the rest. Then there's the huge city-rural wealth gap, and then the out of control wealth of the fabulously rich. Wealth gap possibly even wider.

No wonder the CCP is so nervous about economic inequality - it's a massive and real problem, which is holding the country back. The government wants its people to consume more, but most don't have any money to buy shiny new appliances or cars, and they need to save what little they can in case someone gets sick: no money = no treatment...