Qingbai ('blue-white') and yingqing ('shadow blue') wares take their name from the cool blue color of their glaze, as produced at Jingdezhen in Jiangxi province, south-eastern China, from the tenth century. Much of the early production imitated northern white wares in shape and decoration, particularly the Ding wares of Hebei province. The different firing processes yield the very different color tones. Qingbai wares are known for the pure, sugary quality of the porcelain body. Another important feature is the way that the glaze pools, which shows incised decoration to great effect. It is made using a specific type of porcelain and then adding a tinted glaze over the white porcelain. Much of Qingbai ware was used by the common people, which is very rare for this time period. A great deal of the pottery that was made at this time period was made strictly for imperial use. This shows the great amount of variety of the Qingbai ware and that is was very versatile for the many of uses of it by the people.