You can identify the quality of a ceramic tile through the following aspects: 1. Look at the place of origin (generally the quality of tiles in Guangdong is better); 2. Look at the flatness, you can compare the front of two identical floor tiles Relatively speaking, check to see if it is a perfect fit; 3. Look at the appearance to see if there are pores and particles; 4. Look at the weight (a large 800 floor tile weighs 30 to 40 pounds. The heavier the weight, the greater the density of the floor tile, the higher the degree of porcelain, the higher the quality. good); 5. Listen to the sound, the echo is crisp, and the transparent tiles are good; 6. Check the water absorption (the floor tiles should not absorb water); 7. Step on the floor tiles in dry and wet conditions to test the slip resistance of the floor tiles. .