C576 Domineering Green Plum Vs Soft Bamboo Horse(202)

After Chen Momo said that, Dr. Han nodded in agreement.

"That's right."

In the Song and Yuan dynasties, there was strict control over the production of porcelain products. In order to prevent the secret recipe from being stolen by another country, the government owned all the kilns made from porcelain and made from common folk goods, and they were all official kilns