Agricultural buildingAsphalt worksCanal constructionConstruction machinery and vehicle rentalConstruction materialsDemolition worksDewatering worksDrainage worksDredgingEarthworksOutdoor facilitiesPaving worksProcessing of building materialsRoad constructionUnderground construction
Canal constructionCivil engineeringConcrete worksIndustrial construction and hall buildingOutdoor facilitiesPipeline constructionPrecast concreteReinforced concrete worksRoad constructionStructural engineeringUnderground construction