(paint), as we usually say, paint is just one of them. A class of liquid or solid material applied to the surface of an object to form a film under certain conditions and to protect, decorate, or otherwise function (insulation, rust, mildew, heat, etc.). As early as the majority of paint to vegetable oil as the main raw material, it is also known as paint. Now synthetic resins have replaced vegetable oil, so it is called paint. Paint is not liquid, powder coating is a wide range of paint varieties.

Coating belongs to organic chemical macromolecule material, and the coating film formed belongs to macromolecule compound type. According to the classification of modern chemical products, coatings belong to fine chemical products. Modern coatings are gradually becoming a versatile engineering material and an important industry in the chemical industry.

There are four main functions: protect, decorate, conceal the defect of product and other special function, and promote the value of product. [1]

The new Chinese was founded 60 years, with the development of various sectors of national economy, as the coating industry from a very eye-catching small industry gradually becomes an important industry indispensable in all fields of the national economy. After several generations of tenacious struggle and pioneering spirit, China has become the world's second largest producer and consumer of paint, and has entered the mainstream of the world coatings industry.