Introduction to the production process of purple clay: Purple clay is an unglazed pottery with fine texture, high iron content and good plasticity. The firing temperature is higher than that of ordinary pottery. The physical properties of the carcass are also different from other pottery. It has appropriate air permeability and And it is not easy to explode due to sudden changes in hot and cold. Using the pot made of it to make tea can bring out the best of the pure aroma of the tea.