How many years has Sun been making this teapot?

At present, the earliest fragment of purple sand found in archaeology is the purple sand unearthed from Yangjiaoshan site of Yixing School in the northern country of Song Wei.

The unearthed pottery shows that this teapot is far from being a real teapot, but is used to boil water.

Song people like to compete for tea,

The tea set used is similar to the current Japanese tea ceremony. The real teapot began in the Ming Dynasty. Yixing, Jiangsu has the best teapot.