Main household appliances sales; Commodity sales; Hair accessories sales; Sales of personal hygiene products; Instrument sales; Optical instrument sales; Sales of electronic products; Camera and equipment sales; Retail of computer hardware, software and auxiliary equipment; Computer hardware and software and auxiliary equipment wholesale; Communication equipment sales; Retail of electronic components; Watches and timing instruments sales; Retail of arts and crafts and collectibles (except ivory and its products); Apparel retail; Cosmetics retail; Jewelry wholesale; Industrial design services; Professional design services; Internet sales (except sales of licensed goods); Domestic trade agency; Internet of Things technology research and development; Technical services, technology development, technology consultation, technology exchange, technology transfer and technology popularization; Cosmetic wholesale. (except for projects subject to approval according to law, independently carry out business activities according to law with business license) Import and export of goods; Technology import and export. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to approval documents or licenses of relevant departments. )