Shandong ceramic cups are of good quality. Shandong ceramic cups are usually made of high-quality ceramic materials with good heat resistance and durability. They are fired at high temperature, and their surfaces are smooth and hard, and they are not easy to wear and deform. Shandong ceramic cups usually ensure the safety and health of the cups through strict production technology and quality control. They do not contain harmful substances, such as heavy metals such as lead and cadmium, and meet food safety standards. So the quality of Shandong ceramic cups is good.