Yes, Huahuaniu yogurt is only available in Henan. Due to external factors, market competition and brand promotion, dairy products are sensitive areas in food safety and cannot be sold in other areas. Yogurt is a kind of milk beverage with sweet and sour taste. It is a dairy product which takes milk as raw material, adds beneficial bacteria (starter) to pasteurized milk, ferments, and then cools and fills. Yogurt products on the market are mostly solidified, stirred and fruity, with various juices and jams.