Agricultural buildingAsphalt worksCanal constructionConstruction machinery and vehicle rentalConstruction materialsDemolition worksDewatering worksDrainage worksDredgingEarthworksOutdoor facilitiesPaving worksProcessing of building materialsRoad constructionUnderground construction
Bridge constructionCanal constructionCivil engineeringConstruction materialsEarthworksIndustrial construction and hall buildingReinforced concrete worksStructural engineeringUnderground construction