General Projects: Lubricant sales, Specialty chemical product sales( No hazardous chemicals), Rubber product sales, Sales of special equipment for rubber processing, General mechanical equipment installation services, Machinery and equipment sales, Machinery and equipment rental, Mechanical equipment research and development, Metal product sales, Railway transportation equipment sales, Import and export of goods, Technology import and export, Metal ore sales, Sales of non-metallic minerals and products, Sales of graphite and carbon products, Non-edible vegetable oil processing,Sales of non-edible vegetable oils, Rubber product manufacturing, High quality synthetic rubber sales, Manufacturing of special equipment for rubber processing,Chemical product sales( Does not contain permitted chemical products), Petroleum product sales( No hazardous chemicals), Metal material sales, Metal structure sales, Sales of steel bars for construction( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)