Furniture manufacturing; furniture installation and repair services; furniture spare parts sales; furniture sales; furniture spare parts production; daily product repair; construction metal fittings manufacturing; construction metal fittings sales; building materials sales; construction ceramic products sales; lightweight building materials sales; door and window sales; construction waterproofing membrane product sales; building block sales; wire and cable operations; anti-corrosion material sales; thermal insulation material sales; hardware product manufacturing; daily necessities production special equipment manufacturing; hardware product wholesale; Internet sales (Except for selling goods that require a license); retail sales of hardware products; sales of daily necessities; sales of amusement supplies and indoor amusement equipment; manufacturing of technical glass products; processing of mirrors and similar products; manufacturing of household products; manufacturing of amusement supplies and indoor amusement equipment; sales of daily chemical products; sales of daily necessities; wholesale of daily necessities; steel rolling processing; sales of technical glass products; manufacturing of teaching models and teaching aids; manufacturing of special instruments for teaching; sales of special instruments for teaching; sales of teaching models and teaching aids; sales of special chemical products (excluding hazardous chemicals); sales of office supplies; manufacturing of instruments and meters; retail of stationery; wholesale of stationery; manufacturing of stationery; retail of sporting goods and equipment; wholesale of sporting goods and equipment; sales of outdoor products; sales of metal tools; manufacturing of daily wood products; sales of household appliances; manufacturing of home textile products; manufacturing of metal daily necessities; retail of daily household appliances; sales of knitted textiles; research and development of household appliances; repair of household appliances; sales of paper products; manufacturing of paper products; manufacturing and processing of doors and windows; general machinery and equipment Installation services; leasing of machinery and equipment; manufacturing of arts and crafts and ceremonial items (except ivory and its products); sales of mining machinery; loading and unloading; engineering management services; household appliance installation services; sales of textiles and raw materials; sales of plastic products; manufacturing of architectural decoration, plumbing parts and other metal products for construction; sales of building decoration materials; construction of landscaping projects; sales of security equipment; manufacturing of security equipment; retail of arts and crafts and collectibles (except ivory and its products); import and export of goods.