General Projects: Sales of non-metallic minerals and products, Metal ore sales, Mica product sales, Metal product sales, Metal material sales, Refractory sales, Building materials sales, Non-ferrous metal alloy sales, Non-ferrous metal rolling processing, Sales of thermal and acoustic insulation materials, Mining machinery sales, New material technology research and development, Domestic trade agent, Import and export of goods, Import and export agent( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)