How to distinguish true and false Pu 'er tea?

How to distinguish the authenticity of Pu 'er tea, the insiders think: First, all pressed Pu 'er tea wrappers produced since 2007 must have QS logo; The second trick is to look at tea cakes. A good Pu 'er tea cake is neat and shiny. The third trick is to smell tea. Good Pu 'er tea smells like wood, not mildew. The fourth measure is to taste tea. The tea brewed by good Pu 'er tea is bright and clear, and produces fluid in the mouth without numbness and dry throat. After drinking, you can still feel a scent of tea, not a musty smell; The fifth measure is to look at the tea residue. Cooked tea is reddish brown in color and soft, and can be kneaded into mud balls. Inferior Pu 'er tea residue feels hard, like the feeling of crude fiber. Tips for Pu 'er tea collection: The higher the altitude of Pu 'er tea raw materials, the better the tea, because the more sunlight tea receives. At present, the good producing areas of Pu 'er tea mainly come from Xishuangbanna, Simao, Lincang and Baoshan. Generally, the "tree age" of tea trees should be at least 30 years, and the older ones should be between 50 and 60 years. Pu 'er tea is the most taboo of oil fume, so it can't be stored in the kitchen. Pu 'er tea is hidden in the south, most afraid of wet weather. If one piece is packed well, it can survive the rainy season smoothly.