Computer network technology research; Household appliances, hardware products (except electric tricycles), daily necessities, clothing, shoes and hats, knitwear, textiles, luggage, office equipment, stationery, sporting goods (except shooting equipment), computers and auxiliary equipment, automobiles Wholesale and retail of accessories; Sales on the Internet: Household appliances, hardware products (except electric tricycles), daily necessities, clothing, shoes and hats, knitwear, textiles, luggage, office equipment, stationery, sporting goods (except shooting equipment), computers and Auxiliary equipment, auto parts. Import and export of goods or technology (except for goods restricted by the state or prohibited from import or export) (Projects subject to approval according to law may be subject to approval by relevant departments before carrying out business activities).