Guzaotang Village, Welfare Town. According to relevant information, the meeting place of Ma Huijun in Yuxian County is located in Guzaotang Village, Welfare Town. Yuxian, which belongs to Zhangjiakou City, Hebei Province, was called yu zhou in ancient times and is one of the sixteen states. It is located in the northwest of Hebei Province, bordering Beijing in the east, Baoding in the south, Datong in Shanxi Province in the west and Zhangjiakou in the north.