Which county in Nanyang, Henan Province is the richest?

According to GDP data, dengzhou city is the richest county in Nanyang, Henan. Nanyang's annual GDP has reached more than 40 billion, ranking first in Nanyang, far higher than zhenping county and Fangcheng in Nanyang. Although dengzhou city has the lowest GDP, its per capita GDP is the highest, so from the data point of view, dengzhou city is the richest.