How to choose ceramic tile？

How to choose the ceramic tiles? Please follow the following steps.

First step: check the glazed surface whether there are pinhole, spots and color difference or not, checking the glazed texture

Second step: check the tiles whether it is deformation or not

Third step: check the ceramic tile water absorption. Drip the water in the back of the brick, if its proliferation size is smaller, drying time is longer, the water absorption rate will be lower and the quality will be better.

Forth step: check voices, use hands to knock the tiles, the sound is more shrill, the quality will be better

Fifth step: weigh the tiles weight, the heavier of the weight is, the better the tiles texture will be

Sixth step: open the package to inspect whether there is damage for the tiles or not, take one piece out from each carton to check whether there is color and color difference.