Manufacturing of arts and crafts and ceremonial items (except ivory and its products); sales of arts and crafts and ceremonial items (except ivory and its products); sales of electronic products; manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; sales of mechanical equipment; research and development of mechanical equipment; wholesale of hardware products; manufacturing of hardware products; sales of special electronic materials; manufacturing of special electronic materials; manufacturing of special equipment (excluding manufacturing of licensed professional equipment); import and export of goods; import and export of technology; wholesale of motorcycles and spare parts; manufacturing of automobile parts and accessories; manufacturing of mechanical parts and accessories Processing; sales of mechanical parts and components; manufacturing of lighting fixtures; sales of lighting fixtures; manufacturing of plastic products; sales of plastic products; stationery manufacturing; wholesale of stationery; household products manufacturing; furniture manufacturing; furniture sales; sales of labor protection products; production of labor protection products; industrial design services; professional design services; graphic design and production; graphic design; advertising design, agency; advertising production; domestic trade agency; manufacturing of daily necessities; sales of daily necessities; sales of industrial textile products; manufacturing of industrial textile products; and sales of outdoor products.