Longjing tea is actually not from Hangzhou. Many of these "inauthentic" longjing teas are produced in provinces such as Yunnan, Guizhou, Sichuan, and Guangdong. However credible sellers may sometimes provide anti-fake labels or openly state that the tea is not from Zhejiang. Experienced drinkers may be able to tell if Longjing is authentic by taste and smell. The aroma and flavors of the "inauthentic" Longjing teas are not as complex, or long-lasting as the authentic tea. These teas, although similar in appearance, are mild in flavor and aroma and do not have the long-lasting aftertaste of the original. Longjing has a signature
Longjing District (龍井), taken from the name of a famous well in the area named Dragon Eye Well (龍目井) Dragon Eye Well is located in Longquan Village, under an old camphor tree. One of the Qing governors of Changhua recorded that the well's water was cool and refreshing, and the atmosphere was serene around the well. The name "Dragon Eye" comes from the two rocks around the well that makes it look like a dragon. Longjing houses Taichung Power Plant, the world's largest coal-fired power plant. The district is served by a variety of national roads. The district can be reached by