General project: Hardware product research and development; Hardware product manufacturing; Retail of hardware products; Wholesale of hardware products; Research and development of metal products; Sales of metal products; Manufacturing of electronic components; Wholesale of electronic components; Retail of electronic components; Manufacturing of clocks and timing instruments; Sales of clocks and timing instruments; Leather product manufacturing; Sales of leather products; Jewelry manufacturing; Wholesale of jewelry and jewelry; Jewelry retail; Import and export of goods; Technology import and export. (Except for projects that require approval in accordance with the law, business activities shall be carried out independently with the business license in accordance with the law)