General business items are: Hardware products retail; Hardware wholesale; Sales of metal products; Wholesale of electronic components; Retail of electronic components; Manufacturing of plastic products; Sales of plastic products; Sales of special equipment for plastic processing; Electronic special materials sales; Electronic special equipment sales; Sales of power electronic components; Sales of electronic products; Furniture parts sales; Sales of household appliance parts and accessories; Sales of machinery parts and spare parts; Artificial intelligence hardware sales; Battery parts sales; Electrical accessories sales; Machinery and equipment sales; Domestic trade agent; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology popularization. (Except the items subject to approval according to law, independently carry out business activities according to law with the business license), the permitted business items are: 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, and specific business projects shall be subject to approval documents or licenses of relevant departments)