National Aluminium Floats 30,000 Tons Alumina Export Tender

　　MUMBAI, Aug 25, 2008 (Dow Jones Commodities News via Comtex) India's state-run National Aluminium Co. Ltd. (532234.BY) has floated a tender to export 30,000 metric tons of alumina, a senior company official said Monday. 　　The alumina will be for shipment in September, said the official, declining to be identified. 　　Last date for submission of bids is Sept. 3. 　　-By Swansy Afonso, Dow Jones Newswires