Housing construction project, Municipal engineering construction, Construction of building waterproofing projects, Anti-corrosion and thermal insulation engineering construction, Landscaping project construction,Earthwork construction, Building decoration engineering construction, Steel structure construction, Road and bridge construction, Fire protection engineering construction, Construction of environmental protection facilities, Plumbing installation, Machinery and equipment rental, Distribution of construction materials。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)