Puerh History - Pu-erh.Net

„Yunnan Tea Company standardized the trade number for Pu Erh Tea in 1976 for the purpose of export. Each bingcha has 4 digits: the first 2 digits indicate the manufacturing year, the third digit indicates the leaf grade, the last digit indicates the tea factory (e.g. Kun-Ming 1, Meng-Hai 2, Xia-Guan 3, Pu Erh 4). The loose-leaf tea has 5 digits with the third and fourth indicating the class level of raw materials. Examples of early trade numbers for Puerh Tea are 7452, 7562, 7572, 75671, 76563.“

„Hui Gan 回甘, Hui Tian 回甜, Sheng Jin 生津, & Hui Yun 回韻…In literally term, Hui Gan, sometimes referred to as Hui Wei, is to reflect sweetly on a past event. Borrowing from the term 'to reflect', Hui Gan in tea is, simply put, a reflection on the sweetness of the tea - when one drink the tea, when the tea slides through the cavity of the mouth into the throat, there comes, after a short while, a sweetness that rises up from the throat. This sweetness is sometimes accompanied with a fragrance. Do not keep the upper and lower mouth pressed together when sipping tea, but create a cavity instead by lowering the jaw. Let the tea wash over the entire inside of the mouth, and then direct the tea to slide from the sides of the jaw into the throat. While holding the empty cavity, breathe out instead of in after you swallow the tea, there is warmth in the breath accompanied by a fragrance, and the same fragrance that rises up from the throat. This is Hui Gan.“