Puerh is a city that used to be the tea distribution centre of the Yunnan Province. As time went by, we regarded the tea from Puerh City as Puerh Tea.
Puerh Tea is a post-fermented tea, there are two types of Puerh Tea:
1) Raw Puerh (naturally fermented)
2) Cooked/Ripe Puerh (process fermented)
FENG is from the FengQing district in LinCang City of the Yunnan Province. The oldest tea tree (camellia sinensis) in the world which is 3200-3300 years old had been found in FengQing area. There are many of hundred-years old tea trees produce many high quality puerh teas in this area.
The number 7813 means:
78 ~ means this tea was using the recipe (formula) from 1978
1 ~ means this tea was using the first class of fresh leaves
3 ~ means this tea was made by XiaGuan Tea Factory