Research and development, sales of electronic products and accessories; Computer system integration; Technical development and purchase and sale of electronic components, integrated circuits, optoelectronic products, semiconductors, solar products, instrument accessories, communication products, clothing and accessories, shoes and hats, bags, clocks and watches, textiles, pet products, household products, stationery and equipment; Sales of jewelry and handicrafts; E-commerce; Network technology development, computer software technology development; Web design, multimedia product design; Industrial investment; Import and export business.