Speaking of "Zunyihong", the earliest first-time knowledge was discovered in the history of the westward migration of Zhejiang University. The Zhejiang people who moved to Meitan in Guizhou in the past year loved the local black tea. It was only called "Xuhong" in the past, but now it is renamed "Zunyihong". It is. In the same year, Zhejiang University moved to Litan. Due to the merits of the Agricultural College, especially in the prevention and control of pests and diseases, improvement of tea soil and improvement of tea-making technology, it also laid a solid foundation for the sudden emergence of “Zunyihong”. Nowadays, on the basis of inheriting the traditional craftsmanship, combined with the tastes of modern people, after the Fujian tea makers adopted the organic blending of the "Jinjunmei", "Tanyang", "Jianghe" and other kung fu black tea crafts, "Zunyihong", the shape is tight and straight, the rope is tight and strong, the color is moist and fresh, and the gold is revealed. The buds are beautiful, the soup is red and transparent, the taste is mellow and sweet, the fragrance is long-lasting, and the leaves are red. The rhyme is bright and shiny.

Zunyi Black Tea (Zunyihong) Quality Technical Requirements I. Protection Name Zunyi Black Tea (Zunyihong) II. Protection Range: Meitan County, Fenggang County, Yuqing County, Daozhen Autonomous County, Zhengan County, Wuchuan Autonomous County and Xisong County, Zunyi City, Guizhou Province Shui County has jurisdiction over the administrative area. Third, the quality and technical requirements (A) varieties suitable for processing Zunyi black tea (Zunyihong) of the medium and small leaf tea varieties. (II) Site conditions The altitude is 700m~1600m, the soil type is yellow soil or yellow brown soil, the soil pH is 4.5～6.5, the soil organic matter content is ≥1.0%, and the soil layer thickness is ≥50cm. (3) Cultivation management Breeding: Adopting short-stem cutting and breeding technology. 2. 3. Fertilization: ≥25 tons of fertilized 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. (4) Picking From late February to early May, from mid-June to early September, picking single shoots to young shoots of two buds. (5) Processing 1. Process flow: fresh leaves → withering → 揉捻 → fermentation → drying (formation) → fragrant. 2. Process requirements: (1) withering: fresh leaf thickness 3 ~ 8cm, time is 14 ~ 16h. After withering, the grass is diminished, the leaves are dark green, the leaves are shrunken, the leaves are soft, and the leaves are tightly clasped, and the loose hands can be loosely loosened. (2) 揉捻: After the tea leaves are tight, the tea juice overflows and the rate is up. u003e90%. (3) Fermentation: thickness 8 ~ 12cm, leaf temperature 26 ~ 33 ° C, time is 3 ~ 5h. After the fermentation, the leaves are red and yellow, the grass is disappearing, and the flower and fruit aroma appears. (4) Drying: The temperature of the fire is 110-120 °C, the moisture content is u003c20%, and the cold is timely. The fire temperature is 100-110 °C, and the water content is u003c12%. (5) Titian: The temperature is between 80 °C and 120 °C for 15 to 30 minutes. Bake to a moisture content of u003c6%. (6) Quality Features 1. Sensory characteristics: the soup is red and transparent; the aroma is rich, the sweetness is high, and the taste is long-lasting; the taste is fresh and mellow. 2. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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Producers within the scope of production of Zunyi Black Tea (Zunyihong) may submit an application to the Zunyi City Quality and Technical Supervision Bureau for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Guizhou Quality and Technical Supervision Bureau and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The testing organization of Zunyi Black Tea (Zunyihong) is selected by the Guizhou Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.