General project: Mold sales; Sales of packaging materials and products; Retail of hardware products; Sales of artificial intelligence hardware; Sales of mechanical parts and components; Sales of mechanical equipment; Sales of metal materials; Sales of labor protection equipment; Wholesale of hardware products; Sales of building materials; Sales of office supplies; Sales agent; Domestic trade agency; Sales of chemical products (excluding licensed chemical products); Technology import and export; Import and export of goods. (Except for projects that require approval in accordance with the law, business activities shall be carried out independently with the business license in accordance with the law)