Metal materials, fire protection equipment, environmental protection specialized equipment, electronic components, communication equipment, household appliances, labor protection products, packaging materials and products, daily glass products, wood, petroleum products sales (excluding hazardous chemicals), wire and cable business (Except for projects that require approval according to law, business activities can be conducted independently based on the business license in accordance with the law) Licensed projects: Import and export of goods; Technology import and export (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or permits issued by relevant departments. )