Engineering Design Construction Industry (Construction Engineering) Class BEngineering Design Municipal Industry Town Gas Engineering Specialty Class AEngineering Design, Municipal Industry, Thermal Engineering, Grade BEngineering Design Chemical Petrochemical Pharmaceutical Industry Petroleum and Chemical Products Storage and Transportation Major Class 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 GA1
Engineering Design Chemical Petrochemical Pharmaceutical Industry Class AEngineering Design Construction Industry (Construction) Class AEngineering Design, Municipal Industry, Water Supply Engineering, Grade BEngineering Design, Municipal Industry, Drainage Engineering, Grade BEngineering Design Municipal Industry Town Gas Engineering Specialty Class AEngineering Design Textile Industry Food Fermentation Tobacco Engineering Class BEngineering Design Textile Industry Daily and Plastic Engineering Major Grade BEngineering Design Environmental Engineering Special (Water Pollution Control Engineering), Class A
Grade II general contracting of petrochemical engineering constructionSecond-Level Specialized Contracting for Building Mechanical and Electrical Installation ProjectsOffshore oil engineering professional contracting secondaryEngineering Design Construction Industry (Construction Engineering) Class BEngineering Design Power Industry Wind Power Generation Specialty Class BEngineering Design Power Industry New Energy Power Generation Specialty Class BEngineering Design Oil & Gas (Offshore Oil) Industry Offshore Oil Specialty Class AEngineering Design Oil and Gas (Offshore Oil) Industry Oil and Gas Depot Specialty Class B
Engineering Design Chemical Petrochemical Pharmaceutical Industry Class AEngineering Design Construction Industry (Construction Engineering) Class BEngineering Design Oil and Gas (Offshore Oil) Industry Pipeline Transportation Specialty Class BEngineering Design Oil & Gas (Offshore Oil) Industry, Oil & Gas Depot, Grade APetrochemical, Chemical and Pharmaceutical, Class APressure Piping Design Industrial Piping Class GC1Design of pressure pipeline Long distance pipeline GA2Pressure piping design Utility piping GB1 class
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 DEngineering Design Municipal Industry Town Gas Engineering Specialty Class AEngineering Design, Municipal Industry, Thermal Engineering, Grade BEngineering Supervision, Housing Construction Engineering, Grade BEngineering Supervision, Municipal Public Works, Grade BMunicipal Public Works Class BOil and Gas Class BPressure Piping Design Industrial Piping Class GC1
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, 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
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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