The DB 50/758-2017 standard specifies emission limits and monitoring requirements for air pollutants in the Encasement printing industry. The standard applies to all Encasement printing enterprises and aims to control and reduce the emissions of harmful gases and particulate matter (PM) generated during the printing process, and protect the environment mass and public health. The standard covers emission limits, monitoring methods and related management requirements, providing the industry with a technical basis for environmental protection.