Engineering Design Construction Industry Class AEngineering Design, Highway Industry, Class AEngineering Design Railway Industry Class A (II)Steel structure engineering professional contracting level IWater conservancy and hydropower project construction general contracting level IProfessional contracting of highway pavement works Class IGeneral contracting of building engineering constructionMunicipal public works construction general contracting level I
Engineering Design, Highway Industry, Class AEngineering Design Railway Industry Class A (II)Engineering Design, Building Decoration Engineering, Grade AEngineering Design Construction Industry (Construction) Class AMunicipal public works construction general contracting level ISteel structure engineering professional contracting level IAirport Road Engineering Professional Contracting Class IHighway Engineering Construction General Contracting
Engineering Design, Highway Industry, Class AProfessional contracting of highway subgrade worksMunicipal public works construction general contracting level IRailway engineering construction general contracting special gradeTunnel Engineering Professional Contracting Class IHighway Engineering Construction General ContractingBridge Engineering Professional Contracting Level IProfessional contracting of highway pavement works Class I
Engineering Design Construction Industry Class AEngineering Design, Highway Industry, Class AEngineering Design Railway Industry Class A (II)Engineering Design, Municipal Industry, Road Engineering, Grade BEngineering Design, Municipal Industry, Drainage Engineering, Grade BEngineering Design, Municipal Industry, Water Supply Engineering, Grade BEngineering Design, Municipal Industry, Bridge Engineering, Grade BEngineering Investigation Geotechnical Engineering Major Grade B
Engineering Design Railway Industry Class A (II)Engineering Design, Highway Industry, Class AClass I General Contracting of Construction EngineeringWater conservancy and hydropower project construction general contracting level IMine engineering construction general contracting level IHighway Engineering Construction General ContractingMunicipal public works construction general contracting level IElectrical and mechanical engineering construction general contracting level 1
Engineering Design Railway Industry Class A (II)Engineering Design, Highway Industry, Class AEngineering Design Construction Industry Class AHighway Engineering Construction General ContractingGeneral contracting of building engineering constructionProfessional contracting of highway subgrade worksRailway engineering construction general contracting special gradeGrade I Professional Contracting for Railway Track-laying and Beam-erecting Engineering
Engineering Design, Highway Industry, Class AEngineering Design Railway Industry Class A (II)Engineering Design, Municipal Industry, Class AEngineering Survey, Grade BEngineering Survey Hydrogeological Survey Professional Grade BGrade I Professional Contracting for Railway Track-laying and Beam-erecting EngineeringPort and Coastal Engineering Professional Contracting Class IProfessional contracting of highway subgrade works
Engineering Design, Highway Industry, Class AEngineering Design Construction Industry Class AEngineering Design Railway Industry Class A (II)Engineering Design, Municipal Industry, Road Engineering, Grade BEngineering Design, Municipal Industry, Bridge Engineering, Grade BEngineering Design Municipal Industry Class BEngineering Investigation Geotechnical Engineering (Geotechnical Engineering Investigation) Class BBridge Engineering Professional Contracting Level I
Engineering Design Railway Industry Class A (II)Municipal public works construction general contracting level IRailway engineering construction general contracting special gradeClass I General Contracting of Construction EngineeringGrade III general contracting of highway engineering constructionBuilding decoration and decoration engineering professional contracting levelBridge engineering professional contracting level 3Grade II general contracting of highway engineering construction
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