1, observe with eyes
Good quality washbasin surface is smooth and bright, and there will be no stains, sand holes, etc. When purchasing, you can put the washbasin under strong light to observe the reflection on the surface of the product.
Step 2 touch with your hands
You can touch the surface of the washbasin with your hands. If it feels fine and smooth, there is no uneven feeling, which means the quality is better.
Step 3 tap with your hand
Tap the washbasin gently with your hand, and the sound of a good washbasin is crisp and loud. If the sound is dull, it means the quality is not good.
In short, if you want to buy a good washbasin, you can master the above simple methods when purchasing.