April 2022. In April, 2022, Tea π launched explosive tea and launched a new taste of Qingti oolong tea. Qingti Oolong Tea, like the five flavors launched before, was independently developed by the tea π team, and stood out after several rounds of polishing and testing by nearly 1,000 people in four cities. "Qingtixiang Oolong Tea" is widely praised by consumers for its rich aroma, sweet but not greasy taste and green taste.