aluminum foundry casting can be used for the production of aluminum castings, is also a long history of the process, is widely used around the world. Many people think that the origin of foundry is the product of Technological Development in recent years. As a matter of fact, the Tang Dynasty in China was used to cast coins as early as in the Tang Dynasty. This is a more explanation: our Chinese nation is a nation of wisdom. As early as the Tang Dynasty in the underdeveloped science and technology, our old ancestors knew that the foundry technology was made by the sand casting technology.

 ,  , especially from some unearthed data in recent years, proved more forcefully that foundry technology was applied in China in the Tang Dynasty. For example, the indentation of common coins in the Tang Dynasty is a common phenomenon in sand casting. Many sites of sand casting coins have been found in the Tang Dynasty in China. In Changzhi, Shanxi, there were relics of the Tang Dynasty Kaiyuan Tong Bao coin casting site. In Guangzhou, Guangdong, there are relics of the Tang Dynasty’s open source treasure. There are relics of Qian Yuan Bao Bao sand casting coins in Baoji, Shaanxi. Whether it is coins in the Tang Dynasty or casting tools, facts have proved that as early as the Tang Dynasty, our foundry technology was very mature. The article comes from Baidu.