T/SSEA 0189-2022 Third-party operation and maintenance service specification for desulfurization and denitrification in iron and steel enterprises (English Version)
This document stipulates the basic requirements, operation and maintenance service processes and service evaluation for third-party desulfurization and denitrification operation and maintenance service units for steel enterprises. This document applies to activities related to third-party service units providing desulfurization and denitrification operation and maintenance services to steel companies.
T/SSEA 0189-2022 history
2022T/SSEA 0189-2022 Third-party operation and maintenance service specification for desulfurization and denitrification in iron and steel enterprises