Classification for various paints used in surface coating of metal parts, mechanical components, and products in manufacturing industry. Aimed at providing functions such as rust prevention, corrosion resistance, wear resistance, aesthetic improvement, and electrical insulation, including urethane paints, epoxy paints, acrylic paints, fluorine paints, silicone paints, baking paints, electrodeposition paints, and powder coatings. Provides products compatible with various coating methods including spray coating, brush coating, roller coating, electrostatic coating, and dip coating. Distinguished from coating-related materials such as primers, thinners, and hardeners, as well as coating equipment and drying facilities, targeting only the paint body itself.