General Projects: Machinery Manufacturing for Construction Engineering; Machinery Sales for Construction Engineering; Machinery Equipment Sales; Sales of Intelligent Basic Manufacturing Equipment; Machinery Equipment Rental; Machinery Equipment R&D; Development of Artificial Intelligence Basic Software; Software Sales; Metal Processing Machinery Manufacturing; Sales of Mechanical Parts and Components; Installation Services for General Machinery Equipment; Import and Export of Goods; Import and Export of Technology; Technical Services, Technology Development, Technical Consultation, Technical Exchange, Technology Transfer, and Technology Promotion; Retail of Computer Hardware, Software, and Auxiliary Equipment; Sales of Metal Products; Manufacturing of Metal Products for Safety and Fire Protection; Manufacturing of Specialized Machinery for Building Material Production; R&D of Metal Products. (Except for projects subject to approval according to law, business activities shall be conducted independently in accordance with the law with a business license. )