Technical services, technology development, technical consultation, technical exchanges, technology transfer, technology promotion; Sale of hair accessories; Sale of rubber products; Sales of plastic products; Homeware sales; Wholesale of daily necessities; Sales of daily necessities; Retail of household appliances; Wholesale of pet food and supplies; Retail sale of pet food and supplies; Sales of outdoor products; Wholesale of sporting goods and equipment; Retail sale of sporting goods and equipment; Sale of arts and crafts and ceremonial supplies (except ivory and its products); Sales of office supplies; Sales of horticultural products; Retailing of protective equipment for healthcare workers; Wholesale of protective equipment for medical staff; Sales of household appliances; Electronics sales; Sales of lamps and lanterns; Toy sales; Clothing and apparel wholesale; Apparel retail; Shoes and hats wholesale; Shoes and hats retail; Luggage sales; Jewelry wholesale; Jewellery retail; Eyewear sales (excluding contact lenses); Sale of clocks and chronograph instruments; Sales of packaging materials and products; Wholesale of hardware products; Retail of hardware products; Sale of labor protection products; Security equipment sales; Sales of building materials; Internet sales (except for the sale of goods that require permission); Domestic trade agent. (Except for projects that require approval according to law, independent business activities are carried out according to law with a business license) Manufacture of arts and crafts and ceremonial supplies (except ivory and its products); Import and export of technology; Import and export of goods. (Projects that require approval in accordance with the law can only carry out business activities after approval by the relevant departments, and the specific business projects shall be subject to the approval documents or permits of the relevant departments)