Manufacturing of plastic products; sales of plastic products; sales of rubber products; manufacturing of rubber products; import and export of goods; import and export of technology; manufacturing of metal signs for transportation and public administration; sales of signs for transportation and public administration; sales of automobile decorative items; sales of arts and crafts and ceremonial items (except ivory and its products); sales of daily necessities; wholesale of hardware products; retail of hardware products; wholesale of automobile parts and accessories; manufacturing of automobile parts and accessories; manufacturing of motorcycle parts and accessories; wholesale of motorcycles and spare parts; retail of motorcycles and spare parts; import and export agency.