The tea drinkers in China nowadays can be roughly divided into three groups according to their taste habits. "Green Party": those who prefer green tea, this is the largest group making up nearly 60%, mainly distributed in the mid-lower reaches of the Yangtze River. "Blue Party": those who prefer Oolong tea, which can be further divided into subgroups such as those who prefer Tieguanyin and others who prefer Yan Cha (Cliff Tea), accounting for about 25%, mostly found in Fujian, Guangdong, and Taiwan regions. "Black Party": those who prefer Pu'er tea, making up about 10%, primarily distributed in the Pearl River Delta, Tibet, Xinjiang, and Inner Mongolia regions. Additionally, in vast areas...