Good quality. Yi Jiangnan is a special kind of Tieguanyin oolong tea. After tea processing, dry tea is thick and uniform, with green and moist color and excellent quality. And beautifully packaged, very high-end atmosphere on the grade. So, it is super tea. "Yi Jiangnan" is a brand founded by Hangzhou Yi Jiangnan Tea Co., Ltd., located in Hangzhou, which is a large-scale enterprise specializing in the research and development of tea culture.