When purchasing ceramic basins, first of all, like ordinary white ceramic basins, attention should be paid to glaze finish and brightness. Good glaze finish and excellent brightness, pure color, not easy to hang dirty dirt, easy to clean, long-term use is still bright as new.When judging, you can choose to observe from the side of the ceramic basin under strong light. The good glaze should have no spots, pinholes, blisters and bubbles. The surface is very smooth; the reflection of light is good and uniform; Gently touch the surface with your hand, and the hand feel is very smooth and delicate. Another expert suggested that the back of the ceramic basin should have a slight frictional feeling of “sand”. When choosing, you can also put different brands of products together for observation, which is convenient for quickly judging the quality of the basin.