Manufacturing of electric motors; Manufacturing of electric motors; Manufacturing of generators and generator sets; Manufacturing of automotive parts and accessories; Manufacturing of high-speed rail equipment and accessories; Manufacturing of railway locomotive and rolling stock parts; Manufacturing of marine supporting equipment; Manufacturing of pumps and vacuum equipment; Manufacturing of hydraulic power machinery and components; Manufacturing of gears, gear reducers, and gearboxes; Manufacturing of agricultural, forestry, animal husbandry, and fishery machinery parts; Manufacturing of construction machinery; Manufacturing of gas compression machinery; Manufacturing of general equipment (excluding special equipment manufacturing); Manufacturing of mechanical and electrical equipment; Manufacturing of general parts; Machining of mechanical parts and components; Ferrous metal casting; Non-ferrous metal casting; Recycling of productive scrap metal; Import and export of goods; Residential housing leasing; Non-residential real estate leasing.