According to Baidu Encyclopedia, from the early 1970s to the late 1980s, the teapot of Yixing No.1 Zisha Factory had the seal of Yixing seal script in China, and it was changed to the name of a person in the early 1990s.

Zisha Pot is a unique handmade clay sculpture handicraft in China, and its production began in Zhengde period of Ming Dynasty.