1. Taste: Fenjiu has a refreshing and pure taste for 20 years, with a short but soft aftertaste. The 20-year-old ancient well has the characteristics of mellow elegance and long aftertaste.
2. Flavor: Fenjiu for 20 years is a representative product of Fen-flavor liquor. Gu Jing has been a representative product of Luzhou-flavor liquor for 20 years.
3. Shelf life: Fenjiu 20 years is the vintage liquor in Fenjiu, but because the storage of Fen-flavor liquor has little effect on the quality of liquor, there is no obvious difference in shelf life between the two.
4. Price: Fenjiu is relatively cheap for 20 years, while Gu Jing is relatively expensive for 20 years.
To sum up, Gu Jing has performed well in taste, flavor and shelf life for 20 years, and its price is moderate, so it may be more popular. However, the final choice should be decided according to personal tastes and preferences.