Certificate of authenticity for authentic Yixing teapot To protect your rights and those of Siyutao's artists and craftsmen. We started using a set of certificates of authenticity on 03/21/2026. Each Certificate of Authenticity features an encrypted password, a unique serial number,...
Siyutao Authentic Ture DiCaoQing come from HuangLong mine 4 DingShu Town Yixing
Siyutao Ren family's 100% pure DaHongPao from HuangLong mine 4 DingShu Town Yixing
Siyutao has always adhered to excellent craftsmanship and raw materials. Siyutao only use authentic Yixing zisha purple sand clay. The following document is the test report issued by the government agency. All the tests on Siyutao's teapots were excellent and proved...
Siyutao (click to know more) has always emphasized the quality of raw Yixing clay minerals. In 1885,We began to continuously collect unique Yixing raw mineral ore , and established our own Yixing clay workshop and raw Yixing clay minerals warehouse. To this day, we have...
