Shaoxing rice wine is nothing authentic, as long as it is authentic. Unlike liquor blended with yellow rice wine with alcohol, there is no way to blend it. They must all be brewed with rice. What your friend said should be that the yellow wine he used to drink is different from the year you bought. The longer the year, the more mellow the taste and the better the taste. Generally, the so-called 10 year yellow rice wine sold in the market is only 4. Many wines aged for about 5 years, 3 years and 5 years are all new wines of that year or wines that are difficult to buy in 2 years. The real 10 wine is Shaoxing yellow rice wine, and the brand is better. There is the ancient Yue Longshan Huiji Mountain Shen Yonghe.