"Shengji" purple clay teapots are produced in Yixing and are produced by the purple clay "Jinding Trademark". Founded by Hu Desheng, the "Jinding Trademark" was registered around 1911 and gradually declined during the Anti-Japanese War in 1937! If the bottom mark "Sheng Ji" is authentic, it should be a purple clay from 1911 to 1937!

The price of purple clay teapots is booming in the auction market. They are collectible "antiques". Works by famous masters are often hard to find. As the saying goes, "What is the price of jewelry in the world? Yixing purple clay is the most important." The purple clay teapot is a handmade clay handicraft unique to the Han Chinese. The raw material is purple clay, and its origin is Dingshu Town, Yixing, Jiangsu Province, also known as Yixing purple clay teapot. Since the Zhengde reign of Emperor Wuzong of the Ming Dynasty, purple clay teapots have been made into pots, and famous craftsmen have emerged in large numbers. Over the past 500 years, fine products have been handed down. It is said that the founder of the purple clay teapot was Gong Chun in the Ming Dynasty of China. Because of the perfect combination of artistry and practicality, purple clay teapots are so precious and memorable. In addition, the benefits of making tea in a purple clay pot and the culture of tea Zen add to the noble and elegant charm of purple clay.