First, there is cracking. Use a thin rod to gently tap the edge of the porcelain to hear if it is crisp. If there is a hoarse sound, the porcelain is cracked.

Second, the deformation size. Place the porcelain on a flat platform, check whether the movement is smooth and symmetrical in all directions, whether the surface of the device surface and the surface of the porcelain piece are flat, and whether the hole of the device is even and smooth.

Third, the quality of glazed surface. The glaze must be smooth and smooth, and the glaze is uniform. The glazed surface is dripped with a few drops of colored liquid, and after a few seconds, it is dried with a damp cloth, and the glazed surface is preferably free of dirty spots.

Fourth, pay attention to the appearance. The toilet is divided into a one-piece toilet and a separate toilet.

Fifth, pay attention to the internal. In order to save money, many toilet manufacturers are working inside the toilet.

Six, pay attention to after-sales. Ware manufacturers in the general market have a reliable and complete after-sales service. Therefore, consumers should carefully implement the warranty and installation services when purchasing, so as to avoid convenience and disputes in the future.