Manufacturing of household appliances; manufacturing of hardware products; manufacturing of lighting fixtures; research and development of hardware products; operation of wires and cables; import and export of goods; import and export of technology; wholesale of automobile parts and accessories; manufacturing of motorcycle parts and accessories; wholesale of motorcycles and spare parts; manufacturing of rubber products; sales of rubber products; sales of building materials; wholesale of hardware products; sales of household appliance spare parts; and household appliance installation services.