General items: Network technology services; Software development; Network and information security software development; Information technology consulting services; Information system integration services; Computer system services; Data processing and storage support services; Sales of electronic products; Office equipment sales; Fire equipment sales; Retail of computer hardware, software and auxiliary equipment; Network equipment sales; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology dissemination; Technology extension services; Science and technology extension and application services; Internet sales (except sales of goods that require a license); Apparel retail; Clothing accessories sales; Sales of labor protection products; Sales of maternal and infant products; Sales of daily necessities; Food sales (pre-packaged food only); General merchandise sales; Sales of needle textiles and raw materials; Sales of household appliances; Rubber products sales; Sales of plastic products; Shoes and hats retail; Sporting goods and equipment retail; Outdoor goods sales; Machinery and equipment sales; Sales of metal products; Instrument sales; Daily necessities sales; Office supplies sales; Needle textile sales; Luggage sales; Toy sales; Communication equipment sales; Sales of household appliance parts; Retail of arts and crafts and collectibles (except ivory and its products); Sales of arts and crafts and ceremonial articles (except ivory and its products); Hardware products retail; Stationery retail; Sales of agricultural and sideline products; Building materials sales; Sales of building decoration materials; Sales of lightweight building materials; Building block sales. (Except for projects subject to approval according to law, independently carry out business activities according to law with business licenses)