Chongqing City.
According to Tianyancha, the detailed headquarters address of a sour cow is in Building 3, Shanshui Tiancheng, Banbianbao, Wulitian Street, Jiangbei District, Chongqing. The warehouse and headquarters are together.
A Sour Cow is one of the brands controlled by New Hope Dairy Co., Ltd. The brand is headquartered in the mountain city of Chongqing.