What is the black tan wine that the northeast people drink every day?

The black tan wine that the northeast people drink every day is fruit wine. Blackcurrant wine is made from high-quality black beans in northeast China. Raw materials require that the sugar content of fruit should be above 8~ 10% and the acidity should be 2 g/100 ml. Strictly sort and remove rotten fruits and green fruits, and the degree of fragmentation is above 98%. Adding sulfuric acid, sugar and deodorized alcohol into the fruit pulp, fully stirring, and adding artificially cultured yeast for fermentation. The alcohol content reached 1 1%, and the residual sugar was below 1%. The original black bean wine has high acid content and needs to be aged for more than three years. Soak black beans in deodorized alcohol, and the original wine after soaking is bright in color and rich in fruit flavor. Store for later use, and mix the fermented original wine with the soaked original wine according to the ratio of 3: 1.