1, the biggest difference between Puerh tea and other teas is that the more it ages, the more fragrant it is, it is an antique that can be drank, and the year of storage is one of the most important factors in pricing of Puerh tea sold on the market.

2, 21 years is a new tea, green astringent flavor is very obvious, 20 years, although it has been transformed a year, but the change is not great, 19 years of Pu-erh tea has been stored for three years, after a large transformation period, tea aroma and comprehensive taste coordination are greater changes, naturally, is the best.