Located in the western edge of the Chengdu Plain, Dayi County is known as the “seven mountains, one water and two fields”. The hills and hills are surrounded by tea trees, and the tea trees are green and green. It is rumored that when Taoist Zhang Sanfeng was teaching Heming, he heard people talking about the tea of ​​Hemingshan, but the one that Baihe stopped was good tea. Mitutoyo found the tea tree that had passed through the crane and marked it. On the second day, he took the leaves and made the tea. He grabbed it and put it into the bowl. After brewing with boiling water, he saw the tea open and turned into a flying elephant. White crane. Suddenly, I flew out of the tea bowl and turned into an old man who was a child, and disappeared. Sanfeng took this tea tree seed, planted it in Hemingshan, made tea but did not offer officials, but distributed the tea to the mountain people and cured many people's troubles. Later, the old man Zhang Sanfeng became a god. Heming Camellia was also appointed as a tribute tea by the court.

Technical requirements for the quality of Luming tribute tea I. Variety Tea varieties: Fuding Dabai Tea, Fuxuan No. 9, 131, and Wu Niu Zao. Second, the site conditions Terrain conditions: protection range tea garden elevation 800 to 1200m. Soil conditions: The soil is weakly acidic or slightly acidic, with a pH of 4.5 to 6.5. Third, cultivation management 1. Fertilization: re-application of organic fertilizer. 15 to 20 days before the opening of the garden, fertilization and germination; 4 to 5 days before the picking of summer tea; and application of the base fertilizer in autumn from October to November. 2. Trimming: Lightly pruning once a year, from late October to mid-November; deep pruning, heavy pruning, in accordance with relevant standards. 3. Moisture management: Irrigation is carried out when the soil moisture content is lower than 70% of the maximum water holding capacity in the field; low-lying stagnant water plots, opening drainage ditch, so that surface runoff cannot be retained in low-lying areas. 4. Pest Control: Implemented in accordance with relevant standards. Fourth, picking requirements 1. Picking time: mid-February to mid-March 2. Picking quality: single bud and one bud and one leaf initial exhibition, bud head uniform, homogeneous, fresh and no damage. V. Processing 1. Process: fresh leaves → spread dry → killing → cool down → bake two greens → cool down and return to the tide → shape → cool down the tide → secondary shape → cool down → sanding and fragrant → cool cool → hair Fire → cool down → full fire → cool down → finished product → packaging. 2. Process requirements: (1) Fresh leaves, greening: When the tea leaves come out before and after the Qingming, fresh buds are picked early in the morning and processed into finished products on the same day. (2) Drying and shaping: The tea makers grasp the heat and the production method during the frying process. (3) Packaging: The packaging requirements are firm, moisture-proof, clean, beautiful, and smell-free. It can protect the quality of tea and facilitate loading, unloading, storage and transportation. (4) Storage: The finished tea leaves that have passed the test should be stored in clean, moisture-proof and odor-free warehouses. It is strictly forbidden to blend with toxic, harmful and easily polluting materials. There should be ventilation in the warehouse to keep it dry and ventilated. Sixth, quality characteristics 1. Sensory characteristics: (1) Luming tribute tea dry sensory requirements, should meet the requirements of Table 1. Table 1 Luming tribute tea dry sensory requirements Item Requirements Color Green, oily, slightly shiny. Organizational form The whole bud green is uniform and complete. The taste is elegant and long. Impurities No visible impurities. (2) The sensory requirements of Luming Gongcha Wet Tea should meet the requirements of Table 2. Table 2 Luming tribute tea wet tea sensory requirements Item Requirements Color Color Green and oily. Organizational morphology The whole buds are uniform and the leaves are green and bright. The taste is elegant and long, the soup is green and bright, and the taste is fresh and mellow. Impurities No foreign impurities. 2. Physical and chemical indicators: Table 3 Luming tribute tea physical and chemical indicators project name tea moisture,% (m / m) ≤ 5.0% total ash,% (m / m) ≤ 6.5% broken tea,% (m / m) ≤ 3.0% 3. Safety requirements: Product safety indicators must meet the relevant requirements of the state for similar products.

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Producers within the scope of Luming Gong tea production area may submit an application to the Jixian County Bureau of Quality and Technical Supervision for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Sichuan Provincial Bureau of Quality and Technical Supervision and reported to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The testing agency of Luming Gongcha is selected by the Sichuan Quality and Technical Supervision Bureau in the testing institutions that meet the qualification requirements.