Yixing,located in Jiangsu Province,has a long history of producing porcelains and ceramics,According to archaeological excavations confirmed,Yixing began to make ceramic early from Neolithic period, 5,000 years ago,and In Han Dynasty,Yixing start the mass-production pottery for daily use.Purple sand tea set, is the special product of Yixing,developed from ceramics,it has very good characters,such as:endurance of cold and heat, keeping the real smell without the smell of raw tealeafs,won't be hot to hurt your hands,and won't burst during stewing tea,etc.