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
Porcelain trade in Qing China private kilns. Once again the porcelain trade was thriving, and helped to boost the economy of the early Qing empire. There is a difference in the way the Qing porcelain was created and why it was thriving in the trading atmosphere. The Ming, prior to the overthrowing by the Qing, were using two color glazes for their porcelain. The two color porcelain was something that many connoisseurs from Europe sought after, but at one point were done buying. Once the Qing came into power and began to change the artistic aspect of the porcelain there were experiments and techniques to