Manufacturing of special pharmaceutical equipment; sales of special pharmaceutical equipment; sales of mechanical equipment; sales of mechanical parts and components; sales of high-performance non-ferrous metals and alloy materials; sales of electronic products; operation of wires and cables; wholesale of hardware products; retail of hardware products; sales of chemical products (excluding licensed chemical products); wholesale of automobile parts; retail of automobile parts; wholesale of motorcycles and spare parts; retail of motorcycles and spare parts; sales of mechanical and electrical equipment; sales of metal materials; sales of construction materials; sales of special packaging equipment; sales of industrial robots; import and export of goods; import and export of technology.