This standard specifies the relevant terms and definitions, technical requirements, test methods, inspection rules and transportation and storage requirements for the painting of grain and oil machinery products. The standard applies to the painting process of grain and oil machinery to ensure that the product coatings have good protection and decorative effect. A number of related painting detection methods are quoted in the standard, such as the film resistance to Impact, moisture and heat resistance performance, etc., which provides a comprehensive evaluation basis for painting mass. The standard provides technical support for the standardization of the coating process of grain and oil machinery, and the improvement of product durability and aesthetics.