The document discusses the different types of tea, including black tea, oolong tea, green tea, white tea, leaf tea, dust tea, and jasmine tea. It provides details on the production processes for each type, such as withering, steaming, rolling, drying, and levels of fermentation. Black tea undergoes full fermentation to stop moisture content, while green and white teas avoid fermentation. Leaf tea uses whole leaves to reduce oxidation. Dust tea is a lower quality tea made from fine grains.