General Items: Technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion; water conservancy-related consulting services; information technology consulting services; machinery and equipment leasing; wholesale of computer software and hardware and auxiliary equipment; sales of specialized environmental protection equipment; sales of electrical equipment; wholesale of hardware products; retail of hardware products; sales of cement products; advertising design and agency; planning and design management; flower planting; water pollution control; sales of refrigeration and air conditioning equipment; sales of metal materials; sales of instruments and meters; operation of wires and cables; wholesale of sports goods and equipment; sales of doors and windows; sales of lighting fixtures; sales of daily-use glass products; sales of plastic products; sales of coatings (excluding hazardous chemicals); urban greening management; tea planting; horticultural product planting; sales of electronic products; sales of calculator devices; information consulting services (excluding licensed information consulting services); wholesale of stationery; retail of stationery; engineering management services; sales of household appliances; sales of office equipment; sales of vending machines; sales of specialized environmental monitoring instruments and meters; sales of gas, liquid separation, and purification equipment;