General project: Hardware product research and development; Mold manufacturing; Mold sales; Sales of rubber products; Manufacturing of hardware products; Retail of hardware products; Sales of plastic products; Manufacturing of machine tool functional components and accessories; Sales of machine tool functional components and accessories; Manufacturing of electronic components; Manufacturing of electronic specialized equipment; Manufacturing of other electronic devices; High quality synthetic rubber sales. (Except for projects that require approval according to law, business activities shall be conducted independently based on the business license in accordance with the law)