Licensed Projects: Construction project construction( Except for nuclear power plant construction and operation、 Civil airport construction), Mining of non-coal mine mineral resources, Construction labor subcontracting, Road freight transport( Does not contain dangerous goods), Roadbed and pavement maintenance work, Residential interior decoration, Highway management and maintenance, Professional construction work。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.) General Projects: Foreign contracting projects,Labor Services( Excluding labor dispatch), Metal door and window construction,Earthwork construction, Metal structure sales, loading and unloading, Landscaping project construction, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Engineering Management Services, Import and export of goods, Auto parts retail, Auto parts wholesale, Tire sales, Lubricant sales。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)