Design, production, processing, and retail: Automotive parts and accessories (excluding engines); Manufacture of modified vehicles; Processing and sales: Automobiles; Sales: General machinery and equipment, mechanical parts, medical devices (including Class III medical devices); Design: Automotive maintenance tools; Installation of fixed pressure vessels for automobiles; Maintenance of medical devices; Undertaking: Surveillance system engineering, electronic equipment engineering, computer network engineering, radar navigation and measurement and control system engineering; Design and production: Integrated circuits; Computer technology development and technical services; Software development; Sound insulation engineering services; Information system integration services