Shang Dynasty (16th century —11th century B.C.)

Unearthed at Zhenzhou,Henan

Height: 25.6cm

Mouth diameter: 21.4cm

Porcelain had already appeared inthe Shang Dynasty, This Zun was Unearthed at a tomb of the ShangDynasty at Zhengzhou in 1955. It was made from Kaolin clay（clay forporcelain）and at a temperature of over 1000 degree .It has a thin layer of green glaze on the surface, and is theearliest porcelain discovered in China so far .