What is graphite tea bean?

Green tea. Graphite tea is round, tight, moist and mellow, so it is also called graphite tea bean, which is a kind of green tea. Dry tea particles are dense, as heavy as stone, and smooth and smooth. After brewing, the leaves are light green and uniform, the soup is clear and bright, the aroma is fresh and lasting, and the taste is fresh and mellow. Graphite tea bean is a granular tea made from tea buds in Yixian mountain area by traditional technology.