The raw material of this tea is selected from the ancient tea garden of Nannuo Mountain and produced by the Menghai Tea Factory. It was custom-made by the Xishuangbanna Prefecture Government of Yunnan Province and has a limited production. After 18 years of aging, it has entered its optimal drinking period. The tea soup presents an orange-red color, with a sweet and smooth taste, low bitterness and astringency, and a delicate mouthfeel.