General Items: Research and development of mechanical equipment; Manufacturing of metal cutting machine tools; Manufacturing of general equipment (excluding special equipment); Manufacturing of automobile parts and components; Manufacturing of bearings, gears, and transmission components; Sales of mechanical equipment; Sales of metal tools; Sales of mechanical parts and components; Technical services, technology development, technical consultation, technical exchange, technology transfer, technology promotion; Import and export of goods; Import and export of technology. (Except for projects that require approval according to law, business activities may be carried out independently with the business license according to the law)