The "DB31/881-2015 Air Pollutant Emission Standard for the Manufacturing Process of Coatings, inks and Similar Products" stipulates the emission limits and monitoring requirements of air pollutants in the manufacturing process of Coatings, inks and similar products. The implementation of the standard aims to reduce the pollution of the atmospheric environment during the production process of the industry, improve the air mass, and ensure compliance with environmental regulations. The standard specifies the allowable emission limits of harmful gases in the production process of different types of products, including the control requirements for pollutants such as vocs (VOC), particulate matter (PM), and nitrogen oxides. It provides technical guidance and compliance basis for enterprises to control emissions, and promotes the transformation of green production in the industry. This standard is of great significance for environmental protection, corporate emissions monitoring and the continued development of the industry.