We are Shanghai John import & export Co.Ltd of China.We mainly import kinds of metal concentrate industry disposal or resh contains nonferrous metal.as following: copper ore Cu>6% copper ash Cu>15% copper sludge Cu>15% lead ore Pb>30% lead ash Pb>40% lead sludge Pb>40% zinc ore Zn>20% zinc ash Zn>40% Show More...

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• Purchaser: John

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