Economic aggregate ranking, Zhongshan, Huadu, Zengcheng! Huadu has the least population ... and a small area, but its per capita gdp and per capita income rank first! Huadu is the only way for the whole Pearl River Delta to reach the mainland, and there are many cars coming and going from north to south! The prosperity of Huadu is similar to that of Zhongshan … Zengcheng is mostly backward in mountainous areas, mainly relying on labor-intensive pollution industries … Huadu has a high economic quality and is a high-tech industry. Cars, leather, jewelry and stereos are among the best in China. The most prosperous thing in Zengcheng is Xintang, but it is only the prosperity of Zengcheng … much worse than the town in Zhongshan and the urban area of Huadu! Look at the satellite map yourself and you will know which place is strong …