Grade III General Contracting of Construction EngineeringMunicipal Public Works Construction General Contracting Level IIWater conservancy and hydropower project construction general contracting level IIPort and waterway engineering construction general contracting IIEnvironmental protection engineering professional contracting level 3Port and Coastal Engineering Contracting Class IIILevel 3 of waterway engineering professional contractingConstruction labor is not graded
Grade III General Contracting of Construction EngineeringPort and waterway engineering construction general contracting level 3Environmental protection engineering professional contracting level 3Port and Coastal Engineering Contracting Class IIILevel 3 of waterway engineering professional contractingClass III Professional Contracting for Navigable Building EngineeringConstruction labor is not gradedEngineering Design Water Transport Industry Class B
Grade III General Contracting of Construction EngineeringMunicipal public works construction general contracting level 3Grade III general contracting of highway engineering constructionWater conservancy and hydropower project construction general contracting level 3Port and waterway engineering construction general contracting IISteel structure engineering professional contracting level 3Building decoration engineering professional contracting secondaryCity and road lighting engineering professional contracting level 3
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