Computer technology development; Technical development and sales of information system software; Sales of clothing, mechanical equipment, hardware products, electronic components, connectors and other electronic accessories, packaging materials, household appliances, daily necessities, skin care products, health care products and electronic products; Basic software services; Application software services; Engaging in advertising business; Development of e-commerce platforms; Enterprise management consulting; Business information consulting; Sales of self-developed software products; Wholesale of computer hardware and its supporting equipment; Domestic trade; Import and export of goods and technology