Yes. 0020s is the serial number, 2020 is the standard release year, is genuine yellow wine, yellow wine is one of the world's oldest alcohol, yeast varieties of quality to determine the quality of the wine, originated in China, and only China has, and beer, wine and called the world's three major ancient wine. Huangjiu is a Chinese Han specialty, belongs to the brewing wine, in the world's three major brewing alcohol (yellow wine, wine and beer) in an important seat, brewing technology is unique, and has become a typical representative of the Oriental brewing community and model.