General business items are: Computer hardware and software and auxiliary equipment wholesale; Domestic trade agent; Computer hardware and software and ancillary equipment retail; Electronic office equipment sales; Sales of electronic components and electromechanical components; Electronic vacuum device sales; Electronic special equipment sales; Sales of electronic products; Software development; Computer system services; Information technology consulting services; Marketing planning; Internet data services; Sales agent; Daily masks (non-medical) sales; Daily general merchandise sales; Stationery wholesale; Kitchen appliances and daily necessities wholesale; Cosmetics wholesale; Household goods sales; Wholesale of daily necessities; Sales of daily necessities; Retail of household appliances. Communication equipment repair; Communication equipment sales; Mobile communication equipment sales; Mobile terminal equipment sales; A yard sale; Computer and communication equipment rental