Introduction: grains in pug are big. The structure is obviously loosened. The active-part is with obviously the double-pore structure; and with unhindered cross-ventilation. The long time you use it, it will be outstanding and become the best material to make pots. The tea tastes good and is full of praise. The temperature used in the early mixture of pug and the early kilning temperature is lower，so common Duan pug products will become black; In recent years, the kiln used in firing is high temperature kiln that can sinter Duan pug pots. It can easily be heated up to the temperature you need, and it will form the truly high quality crystal, without no black color.
Brewing suggestion: Pu’er tea series, Tie Guanyin and half fermented tea series, heavy fermented tea series(dark green tea), Oolong tea and raw tea(light baking fire series), green tea, Longjing, a famous green tea produced in Hangzhou, black tea, and so on.
Kiln temperature: about 1150℃.
Shrinkage ratio: about 30%.
Orefield: Ding mountain and Huanglong Mountain in Yixing, Jiangsu province.