General project: Sales of mechanical equipment; Sales of construction machinery; Manufacturing of specialized metal processing machinery for the production of building materials; Sales of metal materials: Construction machinery manufacturing: Manufacturing; Leasing of construction machinery and equipment; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of automotive parts and accessories; Retail of automotive spare parts; General component manufacturing: specialized equipment manufacturing (excluding licensed professional equipment manufacturing); Manufacturing of casting machinery; Manufacturing of hardware products: Wholesale of hardware products: Retail of hardware products; Sales of metal products; Gold structure sales; Electronic product sales; Mechanical equipment leasing; Sales of building materials; Import and export of goods; Technology import and export; Domestic trade agency. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law)