Yes, yes.
Liquor has a shelf life, and the shelf life is usually marked on the packaging. Liquor can be stored for a long time, but the taste will deteriorate after the shelf life, so it is recommended to drink it within the shelf life. The alcohol content of liquor sold on the market is basically greater than 10. Generally, harmful microorganisms cannot grow and reproduce in it, making it difficult for microorganisms to survive. Therefore, there will be no deterioration problems caused by microorganisms, so liquor can be stored for a long time. Although the microorganisms that cause quality deterioration cannot grow, it does not mean that the components of the liquor itself will not change. After low-alcohol liquor and light-flavor liquor below 40 degrees have been stored for more than 3 years, ester substances will usually be hydrolyzed, resulting in a bland taste, and some may have astringent taste.
Generally, it is fermented from solid pure grains. The best alcohol content is around 53. Liquor with Maotai flavor can be stored for a long time and the taste will not become worse, and may even be better.