Licensed Projects: Import and export of goods, Technology import and export, Professional construction work, Electrical installation services( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business items are subject to the approval results.) General Projects: New material technology promotion service, Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion, Sales of special equipment for environmental protection, Sales of special electronic equipment, Electrical machinery and equipment sales, Sales of power electronic components, Electrical equipment sales, Sales of special equipment for semiconductor devices, Sales of micro motors and components, Sales of electronic components and electromechanical components, Electromechanical coupling system development, Rubber product sales, Refrigeration、 Air conditioning equipment sales, Floor sales, Steam turbine and auxiliary equipment sales, Sporting goods and equipment wholesale, Sporting goods and equipment retail, fan、 Fan Sales, Diving and salvage equipment sales, Sales of building waterproofing membrane products, Sales of metal parts for construction, Sales of building decoration materials, Anti-corrosion material sales, General mechanical equipment installation services, Security equipment sales, Construction machinery sales, Safety technology prevention system design and construction services, Firefighting equipment sales, Insulation material sales, Mechanical parts、 Parts Sales, Lightweight building materials sales, Sales of distribution switch control equipment, Door and window sales, Optical cable sales, Building Block Sales, Sales of architectural ceramic products, Lighting fixture sales, Sales of daily wood products, Home appliance installation services, Domestic trade agent, Conference and Exhibition Services, Ship modification, Shipbuilding, Ship repair, Paint sales( No hazardous chemicals)( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)