General Projects: Sales of graphite and carbon products, Refractory sales,Chemical product sales( Does not contain permitted chemical products), Metal material sales, Metal ore sales, Metal product sales, Building materials sales, Sales of building decoration materials, Insulation material sales, Anti-corrosion material sales, Import and export of goods, Technology import and export, customs declaration business( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)