Black sauce is expensive. Black sauce Moutai is a special kind of Moutai, the aristocrat of the wine. The names of black sauce and yellow sauce are similar, and they are both pronouns. We know that Moutai is a Maotai-flavor liquor, using black sauce and yellow sauce. The naming is easier for users to understand. The base liquor and production process used in this wine are rarely used by wineries now, and the current stock is also very small, so its collection value is also very high. High, the unit price of a bottle at auction can be as high as tens of thousands or even more, so Heijiang Moutai is a treasure among wines.