High temperature porcelain with thousands of degrees of fire is good porcelain. "Ru porcelain open slice can raise the gold wire." Ru porcelain holes are described in a variety of ways, including crab claw pattern, cicada wing pattern, caviar pattern, and so on. However, the cicada wing design is an accurate representation. The hues are entwined with one another. When drinking tea, the tea liquid soaks into the open piece to make a natural tea stain pattern, similar to the texture of cicada wings. The tea stain pattern, different tea to make the pattern of varied shades of color, becoming a kind of magnificent decoration and thus having the tea lovers' "raise the cup" remarked, It is quite famous among tea art enthusiasts.
