Produced in the county in Anhui Province Qimen black work area known as the "Qimen black tea," the high-grade tea with a unique regional flavor of the fragrant, the international market as "Qimen Shannon", the Tea and Darjeeling and Sri Lanka tea, collectively known as the world's three major high-xiang tea. Qimen work done tea is black tea of China's traditional treasures, there are over a hundred years of production history.