General project: Artificial intelligence application software development; Technical services, technology development, technology consultation, technology exchange, technology transfer and technology popularization; Internet sales (except sales of licensed goods); Software development; Information system integration service; Retail of computer hardware, software and auxiliary equipment; Advertising release; Advertising design and agency; Educational consulting services (excluding education and training activities involving licensing); Conference and Exhibition services; Marketing planning; Home appliances sales; Sales of electronic products; Hardware products wholesale; Hardware retail; Plastic products sales; Office supplies sales; Stationery retail; Stationery wholesale; Communication equipment sales; Instrument sales; Sales of arts and crafts and ceremonial goods (except ivory and its products); Clothing wholesale; Apparel retail; Shoes and hats wholesale; Shoe and hat retail; Jewelry wholesale; Jewelry retail; Commodity sales; Commodity wholesale; Needle textile sales; Cosmetics retail; Cosmetic wholesale; Toy sales; Acquisition of primary agricultural products; Sales agent; Domestic trade agency; Import and export of goods; Technology import and export (except for projects that need to be approved according to law, business activities are carried out independently according to law with business license). Approved projects: Intelligent system design of buildings; Construction engineering construction; Category I value-added telecommunications services; Food Internet sales; Food sales (for items subject to approval according to law, business activities can only be carried out after approval by relevant departments, and specific business items shall be subject to approval documents or licenses of relevant departments)