General items: Sales of electronic products; Wholesale of hardware products; Hardware product retail; Sales of communication equipment; Computer and communication equipment leasing; Sales of power electronic components; Electronic components manufacturing; Wholesale of electronic components; Sales of plastic products; General equipment manufacturing (excluding special equipment manufacturing); Other special instrument manufacturing; Mold sales; Mold manufacturing; Hardware product manufacturing; Hardware product research and development; General parts manufacturing; Sales of mechanical parts and parts; Processing of mechanical parts and parts; Manufacture of arts and crafts and ceremonial articles (except ivory and its products); Sales of arts and crafts and ceremonial articles (except ivory and its products); Import and export of goods. (Except for projects that must be approved according to law, independently carry out business activities according to law on the basis of business license)