General projects: technical service, technical development, technical consultation, technical exchange, technology transfer and technology popularization; Special equipment repair; Graphic design and production; Software development; Software sales; Internet of things application services; Sales of glass instruments; Sales of intelligent instruments; Instrument sales; Instrument maintenance; Sales of drug testing instruments; Sales of analytical instruments; Measurement technical services; Manual application software development; Domestic freight forwarders; Information consulting services (excluding licensed information consulting services); Conference and exhibition services; Translation services; Sales of chemical products (excluding licensed chemical products); Communication equipment sales; Wholesale of computer software and hardware and auxiliary equipment; Sales of building materials; Sales of special labor protection articles; Sales of labor protection articles; Wholesale of hardware products; Sales of metal materials; Equipment sales; Sales of machinery and parts; Electronic product sales; Sales of rubber products; Sales of plastic products; Sales of daily necessities; Sales of paper products; Stationery wholesale; Wholesale of sporting goods and equipment; Wholesale of auto parts; Wholesale of motorcycles and spare parts; Import and export of goods; Technology import and export. (Except for projects subject to approval according to law, independent business activities shall be carried out according to law with the business license)