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 invasions caused a temporary stalling in the creation for porcelain. Once the Qing dynasty sought to bring back porcelain in the trade they developed a more efficient way to transport the Porcelain goods. The Qing emperors like Kangxi helped to initiate a furthering of maritime trade which would help the growth of porcelain trade. By using the Yangtze River not only was porcelain materials cheaper to send but the final good could be transported to other regions that were not accessible. Kangxi furthered the trade for porcelain by allowing an organization of private maritime trade that allowed families who own