Canal constructionEarthworksIndustrial construction and hall buildingNatural stone worksOutdoor facilitiesPaving worksRoad constructionStructural engineeringUnderground construction
Canal constructionConcrete worksConstruction materialsIndustrial construction and hall buildingPipeline constructionPrecast concreteStructural engineeringUnderground construction
BricklayingCanal constructionConcrete worksEarthworksGeneral contractorsIndustrial construction and hall buildingReinforced concrete worksShellStructural engineeringTurn-key constructionWaste disposal