General projects: Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of arts and crafts and ceremonial articles (excluding ivory and its products); Manufacturing of arts and crafts lanterns; Manufacturing of electronic components; Wholesale of electronic components; Sales of arts and crafts and ceremonial articles (excluding ivory and its products); Manufacturing of lighting fixtures; Sales of lighting fixtures; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of electronic special equipment; Sales of electronic special equipment; Sales of optoelectronic devices; Manufacturing of optoelectronic devices; Manufacturing of household appliances; Sales of household appliances; Manufacturing of electronic components and electromechanical component equipment; Sales of electronic components and electromechanical component equipment; Sales of electronic products; Sales of lamps; Manufacturing of household items; Sales of household items; Manufacturing of hardware products; Research and development of hardware products; Wholesale of hardware products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of molds; Sales of molds; Manufacturing of wooden containers; Sales of wooden containers; Import and export of goods; Import and export of technologies. (Except for projects that must be approved by law, business operations are carried out independently based on the business license. )