Liu An is a Hei Cha named after the province where it is made. The last stage of production differs from other Hei Cha tea: once the leaves have been twisted and dried they are left overnight in small bamboo baskets. Only young tea leaves are used to make this tea.

Lui An Hei Cha has a strong earthy, smoky, woody aroma with pea overtones. The flavour is rich and voluminous with nutty and earthy notes, the aftertaste is long-lasting and viscous  Invigorating and helps to focus.

Recommended brewing temperature is 95-100°С (203-212°F). Best prepared in thick clay teaware, but porcelain and glass teaware can also be used. Tea-to-water ratio is 5 g. (0.14 oz) per 100 ml. (3.5 oz) of water. It can be steeped up to 9  times and can be brewed during any time of the day: morning, afternoon or evening.