Porcelain in England in 1748 in order to compete with imported porcelain, bone china is now made worldwide. The English had read the letters of Jesuit missionary Francois Xavier d'Entrecolles, which described Chinese porcelain manufacturing secrets in detail. One writer has speculated that a misunderstanding of the text could possibly have been responsible for the first attempts to use bone-ash as an ingredient of English porcelain, although this is not supported by researchers and historians. In China, kaolin was sometimes described as forming the 'bones' of the paste, while the 'flesh' was provided by the refined rocks suitable for the porcelain
Jingdezhen porcelain porcelain, for the Chinese market and as Chinese export porcelain, but its best-known high quality porcelain wares have been successively Qingbai ware in the Song and Yuan dynasties, blue and white porcelain from the 1330s, and the "famille rose" and other "famille" colours under the Qing dynasty. The Mongol Yuan dynasty established a body, the "Fuliang Porcelain Bureau" to regulate production, and the next Ming dynasty established official kilns to produce porcelain for the emperor; Jingdezhen continued to produce Imperial porcelain until the end of Imperial rule. The imperial kilns were situated at Pearl Hill (Zhushan) in Jingdezhen; some scholars