CHA-EN is a tea shop in the Datong District of Taipei that sells oolong tea and Alishan high-mountain tea. It cold-brews Mi Xiang Hong Cha and Dongfang Meiren, and serves Jinxuan brewed in a gaiwan for tasting. Tea explanations are available in Korean, Japanese, French, English, and Chinese. Teaware and teacups are displayed in the store.