MOREOOM STONE Afhan Portoro Marble Black Look Like Natural Marble, There is More Than 500 Items in MOREROOM STONE SHOWROOM, Also Called“ MOREROOM STONE Library”.
Look at the color and flatness. In general, the clearer the color of the tiles, with the naked eye to see if there is pinhole, pinhole easy to accumulate stolen goods.
Second listen: Through the beat to audible distinguish density, the sound of crisp ceramic tile ceramic density and hardness high, good quality.
Field measurements. Measure with a ruler or tape measure, the edges and diagonals of tiles, and check the dimensions.
Look at the quality from the traces. Check the surface quality of tiles, you can use hard objects to scrape the glazed tiles to determine the surface hardness of ceramic tiles.