Zhenghe, a mountain town in northern Hebei, the ancient county name Guanli, more tribute tea - bud tea. Bud tea is the government and white tea silver needle. During the Song Zheng and the years, Huizong drank the silver needles selected by Guan Li County. Long Yan Xi moved and gave the name of the county to Guan Li as the county name.

Zhenghe, a mountain town in northern Hebei, the ancient county name Guanli, more tribute tea - bud tea. Bud tea is the government and white tea silver needle. During the Song Zheng and the years, Huizong drank the silver needles selected by Guan Li County. Long Yan Xi moved and gave the name of the county to Guan Li as the county name. Zhenghe Baicha was originally made up of small buds of vegetable tea varieties. In the early years of the Qing Dynasty, Zhenghe Tieshan discovered large white tea species (national fine tea varieties), and cultivated it for use as a raw material to produce white peony and white silver needles. , Shoumei, White Monkey, Lotus Heart and other high quality white tea varieties. The unique craftsmanship makes the quality of politics and white tea different. It has unique characteristics of fresh, fragrant and refreshing quality. It has cool, detoxification, antipyretic, fire-fighting, thirst-quenching and quenching thirst. The old white tea has the effect of lowering blood pressure. As a cool and refreshing beverage, Zhenghe White Tea has become the main commodity of Fujian's foreign trade white tea exports, and is sold well in Hong Kong, Macao and Southeast Asian countries and regions.

Political and white tea quality technical requirements (1) site conditions. 1. The altitude is 200m to 800m; the soil is red soil and yellow soil; the soil organic matter is ≥2.5%; the soil pH is 4.5 to 6.5. (2) Cultivation management. 1. Seedling: Select red-brown, semi-lignified, and robust shoots on the mother tree as cuttings, and cut seedlings from 9 to 12 months. 2. Colonization: (1) Single row or double row planting; (2) Planting density ≤ 60,000 plants/ha. 3. Fertilization: (1) Every two years, combined with autumn and winter soil, deep application of organic fertilizer ≥37500kg/ha or cake fertilizer ≥1500kg/ha. (2) The young tea plantation is applied with a nitrogen ratio of 75 kg/ha to 150 kg/ha, and the N.P.K ratio is applied at a ratio of 1:1:1. The tea plantation was applied to a pure nitrogen of 300 kg/ha to 450 kg/ha, and the N.P.K ratio was applied at 3:1:1. 4. Tea tree pruning: Young tea trees are trimmed 3 to 4 times; tea gardens are lightly pruned at the right time; aging tea gardens are heavily trimmed or tablen, before the spring or after spring tea. (3) Fresh leaves are picked. It is harvested every spring, summer and autumn. Spring tea is picked before and after the spring equinox to the valley rain, summer tea is picked from Xiaoman to Xiazhi, and autumn tea is picked from small heat to autumn. The standard for picking fresh leaves of white silver needles is single bud, and the standard for picking fresh leaves of white peony is one bud one and two leaves. Picking according to the principle of “nine not mining”, that is, no rain, no dew, no dew, no buds, no purple buds, no hollow buds, no buds, no worms Abnormal buds such as no picking, cracking bud heads, and pests and diseases causing bud leaf bending are not taken. (4) Processing technology. Process: fresh leaves → withered → baking → Mao tea. Processing under fine weather conditions, mastering "two timings" and "four movements". "Two timings": 1. Withering timing, temperature between 20 ° C and 25 ° C, relative humidity between 70% and 75%, lasting 48 to 60 hours, the moisture content of the withered leaves is finally controlled at 8% to 9%; And the timing of the screening, when the moisture content of the withered leaves reaches 30% to 50%, and sieved, in order to facilitate the formation of the leaf state unique to the political and white tea. 3. “Four actions” means: (1) The thickness of the cooling is even and moderate, and does not overlap with each other, and does not affect the evaporation of water; (2) The cooling action should be light, avoiding damage to fresh leaves and causing redness; (3) According to the weather Temperature, humidity and wind conditions, through the shop shutters, adjust the wind, temperature and humidity; (4) when the weather turns into sweltering, in order to prevent the withering leaves red, should be transferred to the baking process in time. (5) Quality characteristics. 1. Sensory features: (1) white silver needle: shape: single bud fat, full of hair, silver or gray. Endoplasm: pure aroma, slightly fragrant; taste sweet and fresh, no taste; soup color is yellowish, bright. Leaf bottom: even and bright. (2) White Peony: 1 special white peony: shape: leaf bud, bud leaves and branches, leaf edge hanging, heart-thick and strong silver, more and more obvious, leaf color gray green or emerald green, leaf back with hair. Endoplasm: The aroma is fresh and rich, and the fragrance is obvious; the taste is sweet and pure, and the taste is obvious; the soup is apricot and bright. Leaf bottom: no more heart, leaves are tender, buds and leaves are connected, the color is green and bright. 2 first-class white peony: shape: buds and leaves, even and tender, still level, leaf edge hanging, slightly broken, heartless silver, heartless, leaf color gray green or dark green, part of the leaf back has hair. Endoplasm: The aroma is pure and pure, with a slight fragrance; the taste is sweet, pure, and has a slight taste; the soup is light yellow and bright. Leaf bottom: The heart is still visible, the leaves are soft, the veins are reddish, still bright. 3 second-class white peony: shape: part of the buds and leaves, broken Zhang more, there is no heart, slightly heart-thin, leaves Zhang Shangnen, dark green color, slightly with a small amount of yellow green leaves and dark brown leaves. Endoplasm: The aroma is fresh and pure, slightly fragrant; the taste is still fresh, slightly green and sweet; the soup is dark and bright. Leaf bottom: a small amount of heart, the veins are light red. 2. Physical and chemical indicators: water: ≤ 6.50%; broken tea: ≤ 6.00%; powder: ≤ 1.50%; water extract (on a dry basis): ≥ 30.00%; total amount of soluble amino acids (on a dry basis): ≥ 2.50%; caffeine: ≥ 2.70%; ash (on a dry basis): ≤ 7.00%.

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Producers within the scope of protection of political and white tea GI products may submit an application to the Bureau of Quality and Technical Supervision of Zhenghe County of Fujian Province for the use of “Special Marks for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.