1. Zinc-selenium tea originated from Fenggang County, a landmark city in Guizhou Province, is used as raw material, and Mingrunfu Zinc-selenium tea, with Professor Wu Qichuan, Professor of Food Science Department of Taiwan Province Daye Institute of Technology and President of Beijing Zhongtianhong Research Institute as the chief flavourer, has good water to make good wine. Maotai Town is nourished by Chishui River and dotted with springs. According to the detection of local geological department, Chishui River contains many trace elements, such as potassium, calcium, magnesium, iron, sulfur, phosphorus, manganese, copper, zinc and selenium. Deep wells in Zunyi area are connected with Chishui River underground, and well water also contains these trace elements. Such water sources are generally colorless, transparent, odorless and slightly sweet.
second, the quality of soil determines the vitality of wine. Purple sand shale and conglomerate distributed all over Chishui Valley were formed 7 million years ago. The soil surface here has a purple layer with moderate acidity and alkalinity. Through the constant scouring of surface water and groundwater, various trace elements beneficial to human body are dissolved in it, which makes the brewed Maotai-flavor liquor full of vitality. High-quality raw materials and pure grain make good wine. Maotai Town is rich in high-quality sorghum, which is waxy sorghum produced in and around Jinsha, commonly known as red tassel waxy sorghum, with solid and full grains, small skin thickness and amylopectin content of over 88%.