Aluminum smelting and alumina refinery

[ Castings, foils, powder, and rolled, drawn or extruded semi-finished articles of aluminum or its alloys; aluminum; aluminum alloy; aluminum alloys; aluminum foil; aluminum ingots; ] aluminum oxide; aluminum oxides [ ; common metals, unwrought and semi-worked, for further manufacture; flexible metal foil packaging materials for use in manufacture of pouches, bags and lids; and metals and metal alloys ]