Pu'an four-ball tea is produced in Pu'an County, Guizhou Province, the hometown of wild Chinese ancient tea trees. It has a long history. In Pu'an County, people spread "a morning tea, a day of prestige; a cup of tea at a time, work is easy; a cup of tea at night, refreshing and painful." Pu'an four-ball tea is unique in quality, its shape is even and heavy, green It is mellow, full-bodied, fragrant and soft, and the soup is light green and bright, resistant to foaming and long aftertaste; the leaves at the bottom of the leaves are tender and green, bright and fresh. Under the active promotion of the Pu'an County Government, Pu'an Four-ball Tea has been increasingly favored by people everywhere and has been recognized by the outside world.

The technical requirements for the quality of Pu'an four-ball tea 1. Camellia tetracocca Zhang. Second, the site conditions The altitude of the production area is 1000m to 2000m, the soil type is yellow soil or yellow brown soil, the soil pH value is 5.0~7.0, the soil organic matter content is ≥1.0%, and the soil layer thickness is ≥40cm. Third, cultivation management Seedling: Seedlings are grown by asexual reproduction (except ancient tea trees). 2. Planting density ≤ 60000 plants / hectare. 3. Fertilization: ≥30000kg of organic fertilizer per hectare per year. 4. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Fourth, picking picking one bud two leaves, one bud three leaves; from late March to early May each year. Fifth, processing Process: Spreading - killing - shaping - drying. 2. The curing temperature is 200 ° C ~ 240 ° C, the time is 4 min ~ 6 min, the finished tea moisture content ≤ 7.0%. Sixth, quality characteristics Sensory features: The shape is heavy, green, no trace; the soup color is light green and bright, resistant to foam; the aroma is rich and fragrant; the taste is fresh, refreshing, and the taste is long; the leaves at the bottom are tender, green and fresh. . 2. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the scope of the production of Pu'an four-ball tea may apply to the Pu'an County Market Supervision Administration for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Guizhou Provincial Bureau of Quality and Technical Supervision and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The testing agency of Pu'an Four-ball Tea is selected by the Guizhou Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.