This standard specifies the painting technical requirements of positive displacement compressors, including the type of Coating, Film thickness of coatings, adhesion and corrosion resistance performance, etc. It aims to improve the appearance and durability of compressors. Proposed by the China Machinery Industry Federation, the National Compressor Standardization Technical Committee is centralized, and Shandong Weifang Shengjian Group is responsible for drafting to ensure the scientific and practical application of the standard.