Research and development of metal products; manufacturing of non-ferrous metal alloys; manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; sales of specialty chemical products (excluding hazardous chemicals); sales of plastic products; sales of building materials; operation of wires and cables; sales of non-ferrous metal alloys; sales of metal materials; road freight transport for general cargo vehicles with a total mass of 4.5 tons or less (excluding network freight and dangerous goods); leasing services (excluding licensed leasing services); daily living services for residents; processing of non-ferrous metals by pressing; import and export of goods; import and export agency.