Glazed porcelain has many advantages. It is watertight and hermetic and gives a clear and pleasant sound when striking. Since small crackles are removed, it feels smooth and easy to wash.

The wine bottle in the picture, which has a capacity of 2.5 kilograms, is black glazed. The small mouth of the bottle prevents spilling. It has two loops so that it can be hung on the wall. The shape of the bottle is tall and straight. It is steady and sedate.

The Chinese characters on the bottle are powerful and straight, soft outside but hard inside. The modeling, glazing and characters are simple, unadorned and has cohesion of writing.