24 JULY 2009AL CIRCLESteel Guru : New technology for zinc recyclingEdited by : AL CIRCLE1 min readJul 23, 2009 ... Chinese firm buys 2.5 million tonnes of alumina from Trafigura ... The current demand of ???clean black steel??? in the industry is pretty high. ...Tagged with:AluminiumPrevious articleSteel Guru : Zambia power firm granted tariff hikeNext articleRio Tinto's Q2 iron ore output up 8% on year to 45.16 million mtGrow with AL CircleKNOW MORE