Engineering Design Chemical Petrochemical Pharmaceutical Industry Class BEngineering Design Construction Industry (Construction) Class AEngineering Design Chemical Petrochemical Pharmaceutical Industry Chemical Engineering Specialty Class AEngineering Design Chemical Petrochemical Pharmaceutical Industry Petroleum and Chemical Products Storage and Transportation Major Class AEngineering Design Environmental Engineering Special (Water Pollution Control Engineering) Class BEngineering Design Environmental Engineering Special (Air Pollution Control Engineering) Class BPetrochemical, chemical, pharmaceutical grade BPressure Piping Design Industrial Piping Class GC1
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 Chemical Petrochemical Pharmaceutical Industry Class BEngineering Design Construction Industry (Construction Engineering) Class BEngineering Design, Municipal Industry, Thermal Engineering, Grade BEngineering Design Class B of Thermal Power Generation (including Conventional Island Design of Nuclear Power Plant) in Power IndustryEngineering Design Power Industry New Energy Power Generation Specialty Class BEngineering Design Environmental Engineering Special (Solid Waste Treatment and Disposal) Class APressure Piping Design Industrial Piping Class GC1Pressure piping design Utility piping Class GB2
Second-Level Specialized Contracting for Electronic and Intelligent EngineeringEngineering Design Electronic Communication Broadcasting and Television Industry (Electronic Engineering) Class AEngineering Design Construction Industry (Construction) Class AEngineering Design, Landscape Architecture, Grade BUrban and rural planning grade BPressure piping design Utility piping Class GB2Pressure Piping Design Industrial Piping Class GC2Electric power (including thermal power, hydropower, nuclear power, new energy) planning consultation
Construction labor is not gradedConstruction Safety Production PermitPressure piping design Utility piping GB1 classPressure piping design Utility piping Class GB2Pressure Piping Design Industrial Piping Class GC2Pressure Piping Design Industrial Piping Grade GC3Installation, repair and transformation of pressure-bearing special equipment Industrial pipeline installation GC2Boiler manufacturing (including installation, repair and modification) Class 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
Class I General Contracting of Construction EngineeringEngineering Investigation Geotechnical Engineering (Geotechnical Engineering Investigation) Class BEngineering design, municipal industry (except gas engineering and rail transit engineering), Class AEngineering Design Chemical Petrochemical Pharmaceutical Industry Class BEngineering Design Construction Industry (Construction) Class AEngineering Design Construction Industry (Civil Air Defense Engineering) Class BEngineering Design Municipal Industry Town Gas Engineering Specialty Class AEngineering Design, Highway Industry, Highway Specialty, Grade B
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