●For ceramic tableware used to hold food, attention should be paid to the decoration of the surface in contact with food.
●For ceramic tableware used to hold acidic food, products with fewer decorative patterns on the surface should be selected as much as possible.
●Pay attention to whether the color of the pattern is bright. If it is not bright, it may be that the temperature during baking does not meet the requirements. The lead and cadmium dissolution of such ceramic tableware products is often high.
●Pay special attention to those ceramic tableware whose patterns can be wiped off by hand. Such products have high lead and cadmium dissolution.
●For ceramic tableware that you are not sure about, you can soak it in vinegar for a few hours. If you find that the color has changed significantly, you should discard it.
●When purchasing products for microwave ovens, you should avoid products with metal decorations, such as products with gold edges, silver edges, or products inlaid with gold flower paper, metal wire, or metal wire.

Painted decoration: including overglaze decoration, such as new color, ancient color, pastel, Guangcai and other overglaze hand-painted and overglaze decals, printing, brushing, spraying, photographic decoration, electroluminescent color, as well as bright gold, polished gold, corroded gold, etc.; underglaze decoration, such as underglaze blue and white, underglaze red, underglaze multicolor, underglaze spraying and underglaze decals, etc.; in-glaze decoration, such as low-temperature in-glaze color, medium-high temperature in-glaze color, etc.

Special ceramics, also known as modern ceramics, include special structural ceramics and functional ceramics according to their applications, such as piezoelectric ceramics, magnetic ceramics, capacitor ceramics, high-temperature ceramics, etc. The most important high-temperature ceramics in engineering include oxide ceramics, carbide ceramics, boride ceramics and nitride ceramics.

Ordinary ceramics are also called traditional ceramics. Their main raw materials are clay , quartz  and feldspar . By adjusting the proportion of the three, different electrical resistance, heat resistance and mechanical properties can be obtained. Generally, ordinary ceramics are hard, but brittle, and have excellent insulation and corrosion resistance.

It has the advantages of high melting point, high hardness, high wear resistance, oxidation resistance, etc. It can be used as structural materials, tool materials and mold materials. Because ceramics also have some special properties, they can also be used as functional materials.

Ceramic materials are a type of inorganic non-metallic materials made from natural or synthetic compounds through forming and high-temperature sintering.

When it comes to ceramic materials, it is inevitable to talk about pottery and porcelain separately. The ceramics we often talk about refer to the collective name of two types of pottery and porcelain. In the field of creation, pottery and porcelain are both indispensable and important parts of ceramic art, but pottery and porcelain are qualitatively different.
Pottery is made of clay with high viscosity and strong plasticity as the main raw material. It is opaque, has fine pores and weak water absorption, and makes a turbid sound when struck. Porcelain is made of clay, feldspar and quartz. It is translucent, does not absorb water, is corrosion-resistant, has a hard and compact body, and makes a crisp sound when struck.

Traditional ceramic products include daily-use ceramics, building and sanitary ceramics, industrial art ceramics, chemical ceramics, electrical ceramics, etc., with a wide variety and different properties.

Ceramics have many advantages such as excellent insulation, corrosion resistance, high temperature resistance, high hardness, low density, and radiation resistance, and have been widely used in various fields of the national economy.

Ceramics is a general term for pottery and porcelain. Traditional ceramics, also known as ordinary ceramics, are products made from natural silicates such as clay as the main raw materials. Modern ceramics are also called new ceramics, fine ceramics or special ceramics.