Business scope: General project, technical service, technical development, technical consultation, technical exchange, technical transfer, technical pipe factory; Digital culture entrepreneurship software development; Sales of solar thermal hair products; Sales of special chemical products (excluding repair and insurance chemicals); Information consulting services (excluding licensed information consulting services); Retail of stationery; Sales of daily necessities; Conference and exhibition services; Other cultural and artistic economic agents; Organization of sports activities; Intermediary services for self-marketing abroad; Translation services; Sales of supplies; Sales of learning coins and teaching AIDS, wholesale of computer software and auxiliary equipment; Sales of oil products (excluding hazardous chemicals); Sales of Class I medical devices; Sales of Class II medical devices; Import and export of goods; Import and export agency; Sales of building waterproofing membrane products; Sales of leather products; Sales of leather; Sales of metal ore and products; Sales of new energy vehicles; Retail of motorcycles and spare parts; Sales of automobiles; Sales of motor vehicle charging; Sales of building materials; Sales of valves and screws; Pumps and air equipment sales; Hardware products wholesale; Hardware products retail; Mold sales; Wires, camp; Tableware sales: Labor protection with sales; Import and export technology; Agricultural products sales; Wholesale food products; Retail of edible agricultural products (except for the items that must be approved according to law, the business activities shall be carried out independently according to law with the business license. The licensed items include: Import and export of drugs; Import and export of gold and its products; Food sales (the items that must be approved according to law shall be carried out only after being approved by the relevant departments, and the specific business items shall be subject to the approval results).