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What do you mean by raw tea 1902 batch?
The batch number of raw tea 1902 indicates that this lifetime tea brand is the 1902 production.

The serial numbers of these raw teas are called mark by people in the industry, which is a transliteration of English mark. Trademark, also known as trademark, is a Cantonese dialect, which means trademark and brand. In the tea trade, they refer to tea names expressed by numbers or numbers supplemented by words, and some people call them tea codes.

Main points of tea tasting

Tea tasting requires not only good tea and good water, but also a good mood, so as to penetrate the essence of tea and enhance the spiritual mood. At the same time, you should also pay attention to the details of drinking Pu 'er tea. Here is a detailed introduction to the essentials of drinking Pu 'er tea.

The general principle is to swallow slowly with a small mouth. When the tea soup enters, the mouth should be as empty as possible, and the teeth should be separated up and down with closed lips to increase the space in the mouth. At the same time, it is necessary to relax the muscles in the mouth, so that a large gap is formed between the tongue and the upper jaw, and the tea soup is immersed in the lower gum and the root of the tongue.

When swallowed, the mouth narrows and the tea soup is pressed into the throat. In the process of narrowing the mouth, the tea soup and air under the tongue are pressed out, and the bottom of the tongue will feel bubbling. This phenomenon is called omniscience.

When drinking Pu 'er tea aged 50-60, the tea soup is extremely soft. When it touches the bottom of the tongue through the mouth, the bottom of the tongue will slowly produce saliva, as if tiny bubbles are constantly pouring out. This phenomenon of saliva under the tongue is the real tongue root spring.