... main product of Sichuan and Yunnan black tea which is one of Chinese four black tea brands. On the base of tradional ... the economic development, it is a new type of black tea which adopts modern technics, and been finely prodcessed and ... Sichuan black tea, Chinese black tea, even to Chinese tea.Hosin black tea has special local flavor and traditional style, and is the exotic flower of China black tea, ...