The business scope includes general items: import and export of goods; import and export of technology; sales of high-performance non-ferrous metal and alloy materials; wholesale of auto parts; sales of machinery parts and components; sales of plastic products; wholesale of refined oil (excluding hazardous chemicals); sales of electronic products; retail of electronic components; sales of metal chains and other metal products; sales of metal products; sales of petroleum products (excluding hazardous chemicals); sales of metal ores; sales of non-ferrous metal alloys; sales of machinery and equipment; domestic trade agency; sales of agricultural by-products; sales of coal and its products; import and export agency (except for projects that require approval according to law, activities can be independently carried out based on the business license). Permitted items: gas operation (can only be conducted after obtaining approval from relevant departments, specific business items are subject to the approval results).