Products for which the "Pu'er tea" certification mark is applied must meet the following quality characteristics:
Pu'er tea (raw tea) is to be made from fresh leaves from Yunnan big leaf tea trees growing in conditions suitable for Pu'er. It is compressed tea made by the deactivation of enzymes, twisting, drying by sunshine, and shaping by steaming, compressing and other processes. The characteristics are: dark green colour, fresh and long-lasting fragrance, sweet and dense taste, green-yellow, bright liquor, and green-yellow, thick leaves;
Pu'er tea (cooked tea) is made of dried green tea leaves from Yunnan big leaf tea trees growing in conditions suitable for Pu'er. Its loose tea and compressed tea are made by special process and post-fermentation (fast or slow post-fermentation). The characteristics are: red-brown colour, dense, bright red liquor colour, a special fragrance, sweet and dense taste, and red-brown leaves.