Class II general contracting of construction worksMunicipal Public Works Construction General Contracting Level IIElectrical and mechanical engineering construction general contracting IIGrade II General Contracting for Power Engineering ConstructionGrade I general contracting of petrochemical engineering constructionSteel structure engineering professional contracting level IFire facilities engineering professional contracting secondaryEnvironmental protection engineering professional contracting level
Class II general contracting of construction worksMunicipal Public Works Construction General Contracting Level IIGrade I metallurgical engineering construction general contractingSteel structure engineering professional contracting level IBuilding decoration engineering professional contracting secondarySecond-Level Specialized Contracting for Building Mechanical and Electrical Installation ProjectsReady-mixed concrete professional contracting regardless of gradeConstruction labor is not graded
Municipal Public Works Construction General Contracting Level IIElectrical and mechanical engineering construction general contracting IIConstruction labor is not gradedEngineering Design Construction Industry (Construction Engineering) Class BEngineering Design, Municipal Industry, Urban Gas Engineering, Grade BEngineering Design Chemical Petrochemical Pharmaceutical Industry Petroleum and Chemical Products Storage and Transportation Major Class BEngineering Design Environmental Engineering Special (Pollution Remediation) Class BConstruction Safety Production Permit
Engineering Design, Municipal Industry, Urban Gas Engineering, Grade BEngineering Supervision, Housing Construction Engineering, Grade BEngineering Supervision, Municipal Public Works, Grade BPressure Piping Design Industrial Piping Class GC1Design of pressure pipeline Long distance pipeline GA2Pressure piping design Utility piping GB1 classDesign of pressure pipeline Long distance pipeline GA1Pressure piping design Utility piping Class GB2
Engineering Design Construction Industry (Construction Engineering) Class BEngineering Design, Municipal Industry, Urban Gas Engineering, Grade BEngineering Design, Municipal Industry, Thermal Engineering, Grade BEngineering Design Chemical Petrochemical Pharmaceutical Industry Chemical Engineering Class BEngineering Design Chemical Petrochemical Pharmaceutical Industry Petroleum and Chemical Products Storage and Transportation Major Class BEngineering Design Chemical Petrochemical Pharmaceutical Industry Biochemical, Biological Medicine Specialty Class BEngineering Design Chemical Petrochemical Pharmaceutical Industry Traditional Chinese Medicine Specialty Class BEngineering Design Chemical Petrochemical Pharmaceutical Industry Chemical Raw Materials Specialty Class B
Engineering Design, Municipal Industry, Urban Gas Engineering, Grade BGrade B Pre-evaluation of Municipal Public WorksPressure Piping Design Industrial Piping Class GC1Design of pressure pipeline Long distance pipeline GA2Pressure piping design Utility piping GB1 classDesign of pressure pipeline Long distance pipeline GA1Pressure Piping Design Industrial Piping Class GC2Railway and urban rail transit planning consultation
Engineering Design, Municipal Industry, Water Supply Engineering, Grade BEngineering Design, Municipal Industry, Drainage Engineering, Grade BEngineering Design, Municipal Industry, Urban Gas Engineering, Grade BEngineering Design, Municipal Industry, Thermal Engineering, Grade BEngineering Design, Municipal Industry, Road Engineering, Grade BEngineering Design, Municipal Industry, Environmental Sanitation Engineering, Grade BEngineering Design Power Industry Power Transmission Engineering Major Grade BEngineering Design Power Industry Substation Engineering Major Grade B
Engineering Design, Municipal Industry, Urban Gas Engineering, Grade BEngineering Design, Municipal Industry, Thermal Engineering, Grade BPressure piping design Utility piping GB1 classPressure piping design Utility piping Class GB2Pressure Piping Design Industrial Piping Class GC2Oil and Gas Planning ConsultingOil and Gas Project ConsultingOil and Gas Assessment Consulting
Engineering Design, Municipal Industry, Urban Gas Engineering, Grade BDesign of pressure pipeline Long distance pipeline GA2Pressure piping design Utility piping GB1 classPressure Piping Design Industrial Piping Class GC2Pressure Piping Design Industrial Piping Grade GC3Railway and urban rail transit planning consultationRailway and urban rail transit project consultationRailway and urban rail transit assessment consultation
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