General items: Sales of machinery and equipment; Technology import and export; Import and export of goods; Needle textile sales; Office supplies sales; Daily necessities sales; Sales of arts and crafts and ceremonial articles (except ivory and its products); Sales of communication equipment; Sales of chemical products (excluding licensed chemical products); Wholesale of hardware products; Sales of electrical accessories; Domestic trade agent; Hardware product retail; Sales of power electronic components; Wholesale of electronic components; Sales of optical communication equipment; Sales of home audio-visual equipment; Sales of specialty chemical products (excluding hazardous chemicals). (Except for projects that must be approved according to law, independently carry out business activities according to law on the basis of business license)