Licensed Items: Import and export of goods (Projects subject to approval by law, business activities can only be carried out after approval by relevant departments, specific business items are subject to approval results). General Items: Supply chain management services; sales of metal materials; sales of metal products; sales of metal ores; sales of non-metallic minerals and products; sales of machinery and equipment; sales of mechanical parts and components; sales of chemical products (excluding licensed chemical products); sales of building materials; retail of automotive parts; sales of office supplies; sales of electronic products; retail of computer software, hardware, and auxiliary equipment; sales of rubber products; sales of plastic products; sales of daily necessities (Except for projects that require approval by law, carry out business activities independently in accordance with the law with a business license)