1. Bone china pays attention to “white as jade, bright as a mirror, sound as exhausted, and thin as paper”. Need to see if the porcelain is “translucent”.
2. The surface of a good bone china tea set should be moist and clean, and illuminated with light.
3. The glaze color of bone china tea set is divided into on-glaze color and under-glaze color: under-glaze color is the pattern under the glaze, the surface feels smooth, the pigment does not directly contact the tea soup, and the safety is high; the over-glaze color is drawn on the glaze surface , It has a bumpy feeling to the touch. Generally, it is used for viewing, and it is not suitable for food.