International freight transportation agent; Domestic trade agency; Cloud computing equipment sales; Sales of metal products; Computer system services; Sales of special electronic materials; Internet equipment sales; Network equipment sales; Communication equipment sales; Sales of office equipment; Sales of non-metallic minerals and products; Retail of electronic components; Sales of office equipment and consumables; Sales of instruments and meters; Integrated circuit sales; Internet sales (except for the sale of goods that need to be licensed); Mold sales; Sales of special electronic equipment; Sales of mobile communication equipment; Sales of metal materials; Mobile terminal equipment sales; Sales of electronic products; Sales of power electronic components; Sales of metal tools; Lease of computer and communication equipment; Wholesale of electronic components; Wholesale of computer software and hardware and auxiliary equipment; Sales of office supplies; Calculator equipment sales; Retail of computer software and hardware and auxiliary equipment; Information technology consulting services; Metal structure sales; Sales of electronic components and electromechanical components; Retail of hardware products; Sales of integrated circuit chips and products; Import and export agent; Import and export of goods