The business scope includes instruments and meters, valves, automatic control equipment and accessories, electrical equipment and accessories, environmental protection equipment and accessories, fire protection equipment and accessories, water pumps and accessories, wires and cables, mechanical and electrical equipment, hardware and electrical appliances, steel, cultural and sports goods, power equipment and accessories, network security equipment, intelligent building equipment, security prevention equipment, textiles, industrial lubricating oil, and industrial equipment Sales of equipment, mechatronic equipment, chemical raw materials and products (excluding dangerous chemicals), office supplies, computer software and auxiliary equipment.