July 30, 2010: National Aluminium Co Ltd (NALCO) sold 7,500 tons of aluminium ingots at a premium of $92.50/ton over the average LME cash price on a cost, insurance and freight basis, a company source said on Wednesday. NALCO will supply the metal to South Korea's STX Corporation in five batches of 1,500 tons each from October to February 2011, said the official. NALCO, the tenders of which serve as an international benchmark, last sold aluminium ingots earlier this month to the same firm at the same price. Source: The Economic Times