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Black tea is one of the six major types of tea, known for its high aroma, bright color and strong taste. The term "black tea" was first seen in the book "Duo Neng Ji Shi" written by Liu Ji in the Ming Dynasty, and the text introduction about the method of making black tea was first seen in "Tea Shuo" written by Wang Caotang in the early Qing Dynasty. 

Black tea is a fully fermented tea, which is refined from a series of processes such as withering, rolling (cutting), fermentation, and drying, using suitable new tea leaves as raw materials. The tea has the characteristics of black tea, red soup, red leaves and fragrant sweetness. 

The Tang Dynasty's "Compendium of Materia Medica" said: "All medicines are the medicine for various diseases, and tea is the medicine for all diseases." Although it is a bit exaggerated, it also shows that tea has effective and extensive therapeutic effects. Modern pharmacological research has proved that the pharmacological effects of various components in tea are closely related to human health, because tea has a variety of nutrients needed by the human body.

Black tea is rich in carotene, vitamin A, caffeine, calcium, magnesium, potassium, phosphorus, isoleucine, glutamic acid, alanine, leucine, lysine, aspartic acid and other nutrients. The reaction of polyphenols (also known as flavonoids) in the fermentation process of black tea makes the chemical composition of fresh leaves change greatly, producing theaflavins, thearubigins and other components, so the aroma is more pronounced than that of fresh leaves , forming the unique color, aroma and taste of black tea.

The proportion of black tea ingredients: Generally, black tea with normal levels contains: 10%--20% polyphenols, 5%--11% thearubigin, 3%--9% tea brown Vitamins, 0.4%--2% theaflavins, 0.2%--0.5% amino acids, 3%--5% caffeine, 2%--4% soluble sugar, 1%--2% soluble fruit Gum, about 1% organic acid, about 0.02% aromatic oil, in addition to salt and other substances.

Regular consumption of black tea has various health care effects on the body, such as refreshing and reducing fatigue, promoting body fluid and clearing heat, eliminating edema, promoting appetite, gastrointestinal digestion, diuresis, strengthening the heart, and anti-aging. Moreover, the tea is non-toxic and safe to take, and there is no side effect when drinking it for a long time.

Mingqian Tea Industry was founded in Yingde City, Guangdong in 2015. It is a tea enterprise integrating tea planting research and development, base construction, production and processing, sales and tea culture promotion. It focuses on the research and development and production of Yingde black tea - Yinghong No. 9 . The company has more than 1,000 acres of ecological planting bases, and is committed to providing every piece of high-quality ecological tea for those who love tea.