Introduction to Bailong Spring: Bailong Spring is the first of the ten famous springs in Guilin. It was the royal spring water during the Song Dynasty. In 2004, experts identified the Bailong Spring water as the water source with the best surface water quality in Guilin City. Because the spring water has penetrated through multiple layers of sandstone, it is equivalent to multiple layers of natural filtration, so it does not contain impurities, is soft, and contains a variety of inorganic substances. When brewing tea with Bailong Spring water, the soup will be clear and can fully highlight the color, aroma and taste of the tea. The folk saying in Guilin that "Nanxi tea is fragrant, Bailong water is sweet" refers to the mellow aroma of Nanxi Tea Garden's tea. , the spring water of Bailong Spring is refreshing and sweet.