Manufacturing of bicycle parts; retail of bicycles and parts; manufacturing of metal structures; sales of metal structures; metal surface treatment and heat treatment processing; spray coating processing; road cargo transport for vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); manufacturing of building decoration, water and heating pipeline parts, and other metal products for construction; manufacturing of hardware products; retail of hardware products; research and development of hardware products; wholesale of hardware products; research and development of household appliances; manufacturing of household appliances; sales of household appliances; non-ferrous metal rolling and processing; leasing of non-residential real estate; import and export of goods; import and export of technologies; import and export agency; manufacturing of furniture; sales of furniture; production of furniture parts; sales of furniture parts; manufacturing of sports goods and equipment; wholesale of sports goods and equipment; retail of sports goods and equipment.