1. Crab shell green teapot is suitable for brewing black tea, Pu 'er tea and oolong tea. Its pot body is made of crab shell green with unique characteristics in plaster, and the slurry surface is beautiful and elegant, smooth and shiny, with stable color and strong fragrance. Therefore, it is suitable for brewing tea with a certain degree of fermentation and middle-aged and elderly tea, thus making the tea soup more delicate and rich.

2, crab shell green. This mud is similar in color to crab shells, hence the name.

3. Tang Ying recorded in the Chronicle of Tao Cheng that "the kiln in the Department has changed its old color, such as jasper, and its luster is mottled and quaint".