Does China Southern Airlines have a base in Zhengzhou?

According to Baidu map data, China Southern Airlines has a base in Zhengzhou, Zhengzhou Xinzheng International Airport in Zhengzhou City, Henan Province, and Nanyang and Luoyang bases, usually called China Southern Airlines Henan Branch.

China Southern Airlines Base operates more than half of the routes of Zhengzhou and Luoyang, two civil airports in Henan Province, with 32 navigable cities, 96 routes and more than 600 flights per week.