What's the easy way to buy Tiles2 ?


when buying tiles, be sure to hold three degrees:One is the density of the same volume, to heavy solid, using his hands to feel heavy, brick, high density, high hardness; on the other hand, is too poor.The two is water, it apply water to the back of a brick with a finger, do not feel the water, as the top grade. When necessary, ink drops on the tile surface, wipe with a damp cloth to observe whether left traces of ink marks to determine the depth and antifouling performance