Oolong tea is a traditional Chinese tea (Camellia sinensis) produced by a unique process such as drying the leaves in the sun and strong oxidation before drying. This tea is especially popular with Southern Chinese connoisseurs and overseas Chinese in Southeast Asia. In Chinese tea culture, oxidized oolong tea is commonly known as "qing tea" (Chinese: 青茶, literally "green tea"). . The long-leaf style is a traditional style. The taste of oolong tea varies greatly between species, depending on the vegetables and production style, it can taste like passion fruit, jasmine, ginseng.