Transfer from the outer ring of Metro Line 5 to Metro Line 2. According to Baidu map query, the steps to take the subway from Zhengzhou East Station to Zheng Hong City are as follows:

1. Walk 360 meters from Zhengzhou East Station to Zhengzhou East Station, get on the outer ring of Metro Line 5, and get off at Huanghe Road Station after 8 stops.

2. Transfer to the station, walk 60 meters to Huanghe Road Station, take Metro Line 2, and get off at Dongfeng Road Station after 2 stops.

You can walk 500 meters to Zheng Hong.