Porcelain single operation. In this process, "green" (unfired) ceramic wares are heated to high temperatures in a kiln to permanently set their shapes. Porcelain is fired at a higher temperature than earthenware so that the body can vitrify and become non-porous. Porcelain originated in China, and it took a long time to reach the modern material. Until recent times, almost all East Asian porcelain was of the hard-paste type. There is no precise date to separate the production of proto-porcelain from that of porcelain. Although proto-porcelain wares exist dating from the Shang dynasty (1600–1046 BC), by the time of the Eastern
Volkstedt porcelain Volkstedt porcelain Volkstedt porcelain manufactury sited in Rudolstadt, Thuringia, Germany, was the earliest porcelain manufactory in Thuringia. It was in business as Aelteste Volkstedter Porzellanmanufaktur, the "Oldest Volkstedt Porcelain Manufactory", which was integrated into the VEB Vereinigte Zierporzellanwerke Lichte, which in turn formed part of the Kombinat Feinkeramik Kahla. The factory had its origins in an official request made 8 September 1760 by the porcelain maker Georg Heinrich Macheleid (1723-1801). Macheleid had long worked in the glass manufactory at Glücksthal and had gained the arcana of porcelain-making by his own researches, apparently independent of Ehrenfried Walther von Tschirnhaus and Johann