Manufacturing of hardware products; retail of hardware products; wholesale of hardware products; sales of metal materials; supply chain management services; sales of daily necessities; sales of office supplies; sales of office equipment; sales of electronic products; sales of communication equipment; sales of household appliances; sales of maternal and infant products; sales of tea sets; sales of watches; sales of furniture; sales of plastic products; sales of power electronic components; sales of outdoor products Sales of fiberglass and products; sales of fishing gear; sales of sanitary products and disposable medical supplies; sales of amusement and entertainment products; sales of lighting equipment; sales of musical instrument spare parts; sales of chemical products (excluding licensed chemical products); sales of photovoltaic equipment and components; sales of special labor protection products; retail of motorcycles and spare parts; sales of fire-fighting equipment; retail of cosmetics; general goods Warehouse services (excluding hazardous chemicals and other items requiring license approval); retail of arts and crafts and collectibles (except ivory and its products); domestic trade agency; information consulting services (excluding licensing information consulting services); labor services (excluding labor dispatch); business agency services; purchasing agency services; network technology services; technical services, technology development, technical consulting, Technology exchange, technology transfer, and technology promotion; Internet sales (except for the sale of goods requiring licenses); non-residential real estate leasing; housing leasing; leasing services (excluding licensed leasing services); professional cleaning, cleaning, and disinfection services; housekeeping services; repair of daily products; sales of high-quality special steel materials; sales of construction steel products; sales of building materials; and repair of daily appliances.