Here is a brief introduction to the details of toilet appearance inspection.

01 Glazed surface is smooth and glossy

The glaze of the toilet with good quality should be smooth and smooth without bubbles, and the color should be saturated. After inspecting the glaze of the outer surface, you should also touch the drain of the toilet. If it is rough, it will easily cause blockage later.

02 Knock the surface to listen

The high temperature fired toilet has low water absorption and is not easy to absorb sewage and produce peculiar smell. The water absorption of middle and low grade closestool is very high, easy to stink and difficult to clean. After a long time, cracking and water leakage will occur.

Test method: Gently tap the toilet with your hand. If the voice is hoarse, not clear and loud, it is likely to have internal cracks, or the product is not cooked.