Research, development, production, and sales of medical equipment; repair services for motor vehicles, electronic products, daily products, and office equipment; repair and leasing services for medical equipment; production, wholesale, and retail of Class II medical devices; production, wholesale, and retail of Class III medical devices; interior decoration, renovation, and design services; production and sales of automobiles (including special-purpose vehicles and RVs) and automotive parts (excluding engines); installation services for electromechanical equipment; software development and sales; equipment processing and manufacturing.