General projects: Research and development of emerging energy technologies; Software development; Internet sales (excluding sales of goods that require licensing); Battery sales; Sales of lighting fixtures; Sales of lighting fixtures; Sales of daily necessities; Wholesale of electronic components; Sales of electrical signal equipment and devices; Retail of electronic components; Sales of household appliances; Sales of electrical and mechanical equipment; Fishing gear sales; Sales of daily miscellaneous goods; Sales of electronic products; Wire and cable management; Sales of electrical equipment; Sales of power electronic components; Sales of refrigeration and air conditioning equipment; Sales of metal products; (Except for projects that require approval in accordance with the law, business activities shall be carried out independently based on the business license in accordance with the law); Licensed project: Import and export of goods or technology (excluding goods and technology import and export prohibited by the state or involving administrative approval) (For projects that require approval according to law, business activities can only be carried out with the approval of relevant departments. The specific business projects shall be subject to the approval documents or licenses of relevant departments)