You can't. Even if each kind of tea cake is made of the same raw material, its aroma, color and taste will be different if the production process is different. Because putting them together will change some characteristics (such as aroma) of tea leaves, thus affecting the quality, different raw teas cannot be put in a kraft paper bag. Pu 'er tea is a kind of loose tea and pressed tea, which is made from the sun-dried green tea with big leaves in a certain area of Yunnan Province by special technology and post-fermentation.