[Introduction] The raw materials are selected from Shuangjiang, the hometown of Mengku big-leaf tea. The wild ancient tea tree community of more than 12,000 mu in Mengku Daxue Mountain, Shuangjiang is the wild ancient tea tree community with high altitude, wide area, high density and complete preservation of original vegetation that has been discovered in China. It is a living example of precious natural heritage and biodiversity. The gene bank is the historical witness and living fossil of the origin of tea trees, the birthplace of domestication and planting of tea trees.
