The HJ 1116-2020 standard is designed to guide the application and issuance of pollutant discharge permits in the manufacturing of Coatings, inks, pigments and similar products. The standard specifies the basic information reporting requirements, emission limit determination, actual emission accounting methods, and management requirements for self-monitoring and environment management ledgers in the application and issuance process. By providing feasible technical requirements for pollution prevention and control, this standard supports enterprises to fulfill their environmental protection responsibilities and ensure that pollutant emissions comply with national regulations.