CERI has played an important role in the formulation of national and industry standards and specifications. Since 1972, CERI has presided over and participated in the compilation of more than 340 national and industry standard projects. The mandatory national engineering construction specifications (full text) and national and industry standards presided over and compiled by CERI in recent years mainly include Specification for Iron and Steel Smelting Engineering Projects, General Specification for Making of Industrial Gases, General Specification for Comprehensive Resource Utilization in Iron and Steel Industry, Standard for Design of Steel Structures, Standard for Seismic Design of Industrial Buildings, Design Specification for Steel-making Engineering, Design Specification for Energy Conservation of Iron and Steel Enterprises, Design Specification for Environmental Protection of Iron and Steel Industry, Technical Specification for Urban Utility Tunnel Engineering, Technical Standards for Operation Maintenance and Safety of Urban Underground Utility Tunnel, Design and Construction Procedures of Corrugated Steel Utility tunnel, and Technical Procedure for Construction of Urban Underground Utility Tunnel in Hebei Province.