Licensing items: Import and export of goods; Import and export of technology (items subject to approval according to law, business activities can only be carried out after approval by relevant departments, and the specific business items are subject to the approval results) General items: Sales of rubber products; Sales of mechanical equipment; Electrical machinery Sales of equipment; Sales of plastic products; Wholesale of auto parts; Sales of metal products; Sales of office equipment; Sales of fire-fighting equipment; Wholesale of electronic components; Wholesale of hardware products; Sales of mechanical parts and components; Wholesale of supplies; Sales of Class I medical devices; Sales of Class II medical devices; Retail of shoes and hats; Sales of industrial textile products; Sales of needle textiles and raw materials; Sales of needle textiles; Sales of labor protection products; Retail of protective products for medical personnel; Wholesale of protective equipment for medical personnel; Sales of special labor protection equipment; Wholesale of medical masks; Sales of daily masks (non-medical); Information technology consulting services; Information consulting services (excluding licensed information consulting services); Consulting planning services; Conferences and exhibitions Services (except for projects subject to approval according to law, independently carry out business activities according to law with a business license)