Certified by the government of high-quality raw materials and excellent handicrafts

Siyutao has always adhered to excellent craftsmanship and raw materials. Siyutao only use authentic Yixing zisha purple sand clay. 

All teapots and teacups from Siyutao comply with both Chinese and international ceramic food safety standards. They are made from natural mineral clay and are food-safe. The following are the test certificates.

The following document is the test report issued by the government agency.

All the tests on Siyutao's teapots and teacups were excellent and proved that they are safe to use.

This report not only complies with Chinese safety standards, but also meets the strict safety standards of international, EU, and US regulations. This is the international standard mutual recognition seal.