Manufacturing of special equipment; road cargo transportation (excluding dangerous goods); electrical installation services. General items: ferrous metal casting; metal cutting processing services; manufacturing of mining machinery; manufacturing of geological exploration special equipment; manufacturing of general equipment (excluding special equipment manufacturing); processing of mechanical parts and components; manufacturing of general valves and cocks (excluding special equipment manufacturing); manufacturing of general parts; manufacturing of automotive parts and accessories; manufacturing of high-speed rail equipment and accessories; manufacturing of railway locomotive and rolling stock parts; import and export of goods; import and export of technologies; sales of metal products; manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; manufacturing of synthetic materials (excluding hazardous chemicals); manufacturing of power distribution switchgear equipment; sales of power distribution switchgear equipment.