1, catechu cream.
Identification of traits: irregular blocks, sizes. The surface is black or tan, smooth and slightly shiny, sometimes visible cracks. Brittle, easily cracked, irregular in cross section, reddish brown, fine pores, and shiny. No qi, astringent, bitter and then sweet. (Yunnan product: sometimes rough, dull, astringent). It is better to use black, reddish, shiny, and unburnt.
2, square tea
Identification of traits: It was in the shape of a box, with a diameter of about 2 cm, with a slight depression in the center. The surface is brown to dark brown. No gas, astringent taste. The fire burns with aroma. Due to the different processing methods, Fanger Tea is divided into two kinds of old tea and new catechu tea. Laoercha is dark brown, often sticky, with thick gums. New tea is tan, non-adhesive, and has a thin gum. It is customary to think that Laoercha is better than new tea.
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