Rental and sales of mechanical equipment, environmental protection equipment, and construction engineering equipment; Manpower handling services; Car lifting services; Warehousing services (excluding hazardous chemicals); Primary processing of agricultural products; Sales: Cleaning supplies, labor supplies, building decoration materials (excluding hazardous chemicals), metal materials, hardware and electrical equipment, electromechanical equipment, instruments and meters, wires and cables, electronic products (excluding electronic publications), needle textiles, stationery, office equipment, daily necessities