1. Comfort of use: the style is harmonious, harmonious and not deformed, with good visual effect and comfortable to use.

2, brightness: generally high temperature ceramic surface is more bright, crystal color, so it is easier to clean.

3. Smooth feeling and flatness: it is better to make the ceramic surface smooth and delicate, and there is no feeling of roughness when touching the ceramic surface.

4, color: color of the same product should not be color difference.

5, listen to the sound of porcelain: using the acoustic principle, in the same medium to spread out a clear and loud sound, no cracking sound, no crack sound is better.

6, the washing of washbasin can use the brush that place sells on the market or sponge, with neuter cleaner adds cold water or lukewarm water clean. Another way is to use Vinegar replaces neuter cleaner, wipe rinse water next, so repeatedly a few times can.