Red jade rooster seedlings from Zhoukou City, Henan Province. According to the Baidu map query, Henan Zhoukou Hongyu Rooster Seedlings Co., Ltd. in Zhoukou sells red rooster seedlings, so it is Henan Zhoukou City Hongyu Rooster Seedlings. Zhoukou City, known as Longdu and Chenzhou in ancient times, is a prefecture-level city under the jurisdiction of Henan Province. It is located in the southeast of Henan Province, in the hinterland of the Huanghuai Plain. It borders Fuyang City, Anhui Province to the east, Luohe City and Xuchang City to the west, and Zhumadian City to the south.