Licensed Projects: Construction project construction, Professional construction work, Construction Engineering Design, Urban domestic waste commercial services, Construction labor subcontracting。( 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:Earthwork construction, Undertake the engineering construction business of the head office, Landscaping project construction, Engineering Management Services, Ecological restoration and ecological protection services, Water environment pollution prevention and control services, Water pollution control, Solid waste management, Land consolidation services, Soil and water erosion prevention services, Foreign contracting projects,Labor Services( Excluding labor dispatch), Sales of spare parts for water transport equipment, Machinery and equipment sales, Mechanical parts、 Parts Sales, Mechanical and electrical equipment sales, Electronics sales, Electrical equipment sales, Instrument sales, Sales of hydraulic power machinery and components, Sales of pneumatic power machinery and components, Rubber product sales,Chemical product sales( Does not contain permitted chemical products), Metal material sales, Building materials sales, Lubricant sales, Petroleum product sales( No hazardous chemicals), refined oil wholesale( No hazardous chemicals), Sales of solar thermal power generation products, Sales of solar thermal products, Solar power generation technology services, Machinery and equipment rental, Construction machinery and equipment rental, Transportation equipment rental services, Ship leasing, Import and export of goods, Technology import and export, Wastewater treatment and recycling, Professional cleaning、 Cleaning、 Disinfection services, loading and unloading, Domestic freight forwarding, Ore dressing, Mineral washing and processing, Non-metallic mineral product manufacturing。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)