Technical development, promotion, service, and transfer of water treatment equipment and sewage treatment equipment; Technological development, promotion, service, and transfer of environmental protection technologies; Research and development, production, and sales of water treatment equipment, sewage treatment equipment, and environmental protection equipment; Design, installation, and maintenance of water treatment equipment, sewage treatment equipment, and environmental protection equipment; Construction of landscaping and greening projects; Environmental engineering design and construction; Sales: Computer software and hardware and auxiliary equipment, building materials (excluding sand and gravel), decorative materials (excluding hazardous chemicals), Class I medical devices, Class II medical devices, electronic products, electrical equipment, hardware and electrical appliances, household appliances, import and export of goods and technology (excluding goods and technology prohibited by the state or involving administrative approval). (Projects that require approval according to law can only be operated after approval by relevant departments)
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