Non-ferrous metal rolling and processing; non-ferrous metal alloy manufacturing; non-ferrous metal alloy sales; non-ferrous metal casting; high-performance non-ferrous metals and alloy material sales; building metal accessory sales; door and window manufacturing and processing; door and window sales; metal door and window engineering construction; road freight transport for general cargo vehicles with a total mass of 4.5 tons and below (excluding online freight and dangerous goods); import and export agency; technology import and export; goods import and export; non-residential real estate leasing; parking services; property management. Licensed items: road freight transport (excluding dangerous goods).