Engineering Design Construction Industry (Construction Engineering) Class BClass I General Contracting of Construction EngineeringProfessional contracting of foundation engineeringHighway traffic engineering highway safety facilities professional contracting secondaryFire facilities engineering professional contracting levelBuilding curtain wall engineering professional contracting secondaryHoisting equipment installation engineering professional contracting levelProfessional contracting of waterproof, anticorrosion and thermal insulation engineering
Class I General Contracting of Construction EngineeringMunicipal Public Works Construction General Contracting Level IIWater conservancy and hydropower project construction general contracting level IIGrade II General Contracting for Power Engineering ConstructionGrade III general contracting of highway engineering constructionElectrical and mechanical engineering construction general contracting level 3Communication engineering construction general contracting level 3Petrochemical engineering construction general contracting level 3
Municipal public works construction general contracting level IClass II general contracting of construction worksWater conservancy and hydropower project construction general contracting level IIGrade II general contracting of highway engineering constructionEnvironmental protection engineering professional contracting levelProfessional contracting of urban and road lighting engineeringTransportation enterprise safety production standardization level 1Surface runoff, Grade A
Municipal public works construction general contracting level IClass II general contracting of construction worksWater conservancy and hydropower project construction general contracting level IIGrade II general contracting of highway engineering constructionElectrical and mechanical engineering construction general contracting IICommunication engineering construction general contracting level 2Professional contracting of waterproof, anticorrosion and thermal insulation engineeringFire facilities engineering professional contracting level
Class II general contracting of construction worksMunicipal Public Works Construction General Contracting Level IIWater conservancy and hydropower project construction general contracting level IIGrade II general contracting of highway engineering constructionTransportation enterprise safety production standardization level 1Agricultural wastewater, Grade ASurface runoff, Grade AWater pollution treatment equipment, Class A
Class II general contracting of construction worksMunicipal Public Works Construction General Contracting Level IIWater conservancy and hydropower project construction general contracting level IIGrade II general contracting of highway engineering constructionSteel structure engineering professional contracting level ITransportation enterprise safety production standardization level 1Surface runoff, Grade AWater pollution treatment equipment, Class A
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