Technology development, promotion, transfer, consultation, and service; Sales of daily necessities, cultural goods, electronic products, electronic components and spare parts, chemical products, chemical reagents (excluding hazardous chemicals); Domestic freight forwarder; Acting for import and export, import and export of goods, and import and export of technology; Computer system services; Basic software services; Application software services; Software development; Software consulting; Product design; Model design; Enterprise planning; Design, produce, act as an agent, and publish advertisements; Enterprise management; Enterprise management consulting; Marketing planning; Selling food; Retail tobacco. (Market entities shall independently choose business projects and carry out business activities in accordance with the law; Sales of food, retail tobacco, and projects that require approval in accordance with the law shall be carried out in accordance with the approved content after approval by relevant departments; And shall not engage in business activities prohibited or restricted by national and local industrial policies. )