In ancient China, porcelain was introduced and was flourished because of how it was made. Their porcelain is mostly made using porcelain stone, china clay or a mixture of the both. It's green-fired or once-fired, meaning that the body and the glaze are fired together. A few of the well-known low-fired and high-fired ceramics of the Sui and Tang periods are, Tang lead-gazed sancai (three colors) wares , the high-firing, lime-glazed Yue celadon wares and the low-fired wares from Changsha .