General project: Hardware product research and development; Hardware product manufacturing; Wholesale of hardware products; Retail of hardware products; Sales of electronic products; Manufacturing of electronic components; Wholesale of electronic components; Retail of electronic components; Mold manufacturing; Mold sales; Research and development of mechanical equipment; Sales of mechanical equipment; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of optoelectronic devices; Sales of optoelectronic devices; Manufacturing of testing machines; Sales of testing machines; Manufacturing of plastic products; Sales of plastic products; Non ferrous metal rolling processing; 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)