Industrial Investment, Investment Management、 consult,Business Consulting, Conference Services, Exhibition services, Construction Engineering, Building decoration and renovation projects, Steel structure engineering, Mechanical and Electrical Engineering, Environmental Protection Engineering, Landscaping Project, River and lake regulation projects, Water conservancy and hydropower projects, Greening maintenance project, Mining Engineering, cleaning services, Mechanical and electrical equipment( Except special equipment)、 Pipeline installation、 Sale, Machinery and equipment rental, Mineral Products( Except for special regulations)、 Mechanical and electrical equipment and spare parts、 Building Materials、 Sales of water treatment equipment, Engage in import and export of goods and technology。【 Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments】