General project: Import and export of goods; Technology import and export; Import and export agency; Sales of needle textiles; Sales of needle textiles and raw materials; Retail of clothing and apparel; Sales of clothing accessories; Sales of metal materials; Sales of chemical products (excluding licensed chemical products); Sales of lighting fixtures; Retail of hardware products; Sales of electrical accessories; Sales of household appliances; Sales of electronic products; Sales of household appliance spare parts; Retail of stationery products; Sales of office supplies; Sales of building materials; Sales of building decoration materials; Sales of daily necessities; Internet sales (excluding the sale of licensed goods); Home goods sales; 3D printing services; Customs declaration business (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law)