Technology promotion; Technical services; Technical consultation (excluding intermediaries); Economic information consultation, conference services; Design, production, agency, advertising: Computer graphic design: Corporate planning; Copy, type, import and export of goods (excluding goods under state trade management), import and export agent; Sales of luggage, cosmetics, watches, jewelry, office supplies, chemical products (excluding hazardous chemicals), air purification equipment, water treatment equipment, cosmetics, Class I medical devices, computer software and hardware and auxiliary equipment, electronic products, daily necessities, clothing, shoes and hats, stationery, handicrafts, needles and textiles, computer software and hardware and auxiliary equipment; Maintenance computer; Rental of mechanical equipment.